Solve by Factoring 3x^3+6x^2-24x=ax(x+b)(x+c)

$3 x^{3} + 6 x^{2} - 24 x = a x (x + b) (x + c)$

Subtract $a x (x + b) (x + c)$ from both sides of the equation.

$3 x^{3} + 6 x^{2} - 24 x - a x (x + b) (x + c) = 0$

Simplify each term.

Apply the distributive property.

$3 x^{3} + 6 x^{2} - 24 x + (- a x \cdot x - a x b) (x + c) = 0$

Multiply $x$ by $x$ by adding the exponents.

Move $x$ .

$3 x^{3} + 6 x^{2} - 24 x + (- a (x \cdot x) - a x b) (x + c) = 0$

Multiply $x$ by $x$ .

$3 x^{3} + 6 x^{2} - 24 x + (- a x^{2} - a x b) (x + c) = 0$

Expand $(- a x^{2} - a x b) (x + c)$ using the FOIL Method.

Apply the distributive property.

$3 x^{3} + 6 x^{2} - 24 x - a x^{2} (x + c) - a x b (x + c) = 0$

Apply the distributive property.

$3 x^{3} + 6 x^{2} - 24 x - a x^{2} x - a x^{2} c - a x b (x + c) = 0$

Apply the distributive property.

$3 x^{3} + 6 x^{2} - 24 x - a x^{2} x - a x^{2} c - a x b x - a x b c = 0$

Simplify each term.

Multiply $x^{2}$ by $x$ by adding the exponents.

Move $x$ .

$3 x^{3} + 6 x^{2} - 24 x - a (x \cdot x^{2}) - a x^{2} c - a x b x - a x b c = 0$

Multiply $x$ by $x^{2}$ .

Raise $x$ to the power of $1$ .

$3 x^{3} + 6 x^{2} - 24 x - a (x^{1} x^{2}) - a x^{2} c - a x b x - a x b c = 0$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$3 x^{3} + 6 x^{2} - 24 x - a x^{1 + 2} - a x^{2} c - a x b x - a x b c = 0$

Add $1$ and $2$ .

$3 x^{3} + 6 x^{2} - 24 x - a x^{3} - a x^{2} c - a x b x - a x b c = 0$

Multiply $x$ by $x$ by adding the exponents.

Move $x$ .

$3 x^{3} + 6 x^{2} - 24 x - a x^{3} - a x^{2} c - a (x \cdot x) b - a x b c = 0$

Multiply $x$ by $x$ .

$3 x^{3} + 6 x^{2} - 24 x - a x^{3} - a x^{2} c - a x^{2} b - a x b c = 0$

Factor $x$ out of $3 x^{3} + 6 x^{2} - 24 x - a x^{3} - a x^{2} c - a x^{2} b - a x b c$ .

Factor $x$ out of $3 x^{3}$ .

$x (3 x^{2}) + 6 x^{2} - 24 x - a x^{3} - a x^{2} c - a x^{2} b - a x b c = 0$

Factor $x$ out of $6 x^{2}$ .

$x (3 x^{2}) + x (6 x) - 24 x - a x^{3} - a x^{2} c - a x^{2} b - a x b c = 0$

Factor $x$ out of $- 24 x$ .

$x (3 x^{2}) + x (6 x) + x \cdot - 24 - a x^{3} - a x^{2} c - a x^{2} b - a x b c = 0$

Factor $x$ out of $- a x^{3}$ .

$x (3 x^{2}) + x (6 x) + x \cdot - 24 + x (- a x^{2}) - a x^{2} c - a x^{2} b - a x b c = 0$

Factor $x$ out of $- a x^{2} c$ .

$x (3 x^{2}) + x (6 x) + x \cdot - 24 + x (- a x^{2}) + x (- a x c) - a x^{2} b - a x b c = 0$

Factor $x$ out of $- a x^{2} b$ .

$x (3 x^{2}) + x (6 x) + x \cdot - 24 + x (- a x^{2}) + x (- a x c) + x (- a x b) - a x b c = 0$

Factor $x$ out of $- a x b c$ .

$x (3 x^{2}) + x (6 x) + x \cdot - 24 + x (- a x^{2}) + x (- a x c) + x (- a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2}) + x (6 x)$ .

$x (3 x^{2} + 6 x) + x \cdot - 24 + x (- a x^{2}) + x (- a x c) + x (- a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2} + 6 x) + x \cdot - 24$ .

$x (3 x^{2} + 6 x - 24) + x (- a x^{2}) + x (- a x c) + x (- a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2} + 6 x - 24) + x (- a x^{2})$ .

$x (3 x^{2} + 6 x - 24 - a x^{2}) + x (- a x c) + x (- a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2} + 6 x - 24 - a x^{2}) + x (- a x c)$ .

$x (3 x^{2} + 6 x - 24 - a x^{2} - a x c) + x (- a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2} + 6 x - 24 - a x^{2} - a x c) + x (- a x b)$ .

$x (3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b) + x (- a b c) = 0$

Factor $x$ out of $x (3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b) + x (- a b c)$ .

$x (3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c) = 0$

If any individual factor on the left side of the equation is equal to $0$ , the entire expression will be equal to $0$ .

$x = 0$

$3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c = 0$

Set $x$ equal to $0$ .

$x = 0$

Set $3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c$ equal to $0$ and solve for $x$ .

Set $3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c$ equal to $0$ .

$3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c = 0$

Solve $3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c = 0$ for $x$ .

Use the quadratic formula to find the solutions.

$\frac{- b \pm \sqrt{b^{2} - 4 (a c)}}{2 a}$

Substitute the values $a = 3 - a$ , $b = 6 - a c - a b$ , and $c = - 24 - a b c$ into the quadratic formula and solve for $x$ .

$\frac{- (6 - a c - a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot ((3 - a) \cdot (- 24 - a b c))}}{2 (3 - a)}$

Simplify the numerator.

Apply the distributive property.

$x = \frac{- 1 \cdot 6 - (- a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Simplify.

Multiply $- 1$ by $6$ .

$x = \frac{- 6 - (- a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- (- a c)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + 1 (a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $1$ .

$x = \frac{- 6 + a c - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- (- a b)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + 1 (a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite ${(6 - a c - a b)}^{2}$ as $(6 - a c - a b) (6 - a c - a b)$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{(6 - a c - a b) (6 - a c - a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Expand $(6 - a c - a b) (6 - a c - a b)$ by multiplying each term in the first expression by each term in the second expression.

$x = \frac{- 6 + a c + a b \pm \sqrt{6 \cdot 6 + 6 (- a c) + 6 (- a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Simplify each term.

Multiply $6$ by $6$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 + 6 (- a c) + 6 (- a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $6$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 (a c) + 6 (- a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $6$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 (a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $6$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a \cdot a c (- 1 c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a^{2} c (- 1 c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $c$ by $c$ by adding the exponents.

Move $c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a^{2} (c \cdot c) \cdot - 1 - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $c$ by $c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a^{2} c^{2} \cdot - 1 - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} c^{2} \cdot - 1$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + 1 a^{2} c^{2} - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a \cdot a c (- 1 b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a^{2} c (- 1 b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite $- 1 b$ as $- b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a^{2} c (- b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} c (- b)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + 1 a^{2} c b - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $6$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a \cdot a b (- 1 c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a^{2} b (- 1 c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite $- 1 c$ as $- c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a^{2} b (- c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} b (- c)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + 1 a^{2} b c - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a \cdot a b (- 1 b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} b (- 1 b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $b$ by $b$ by adding the exponents.

Move $b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} (b \cdot b) \cdot - 1 - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $b$ by $b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} b^{2} \cdot - 1 - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} b^{2} \cdot - 1$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + 1 a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Subtract $6 a c$ from $- 6 a c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 6 a b + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Subtract $6 a b$ from $- 6 a b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + a^{2} c b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Add $a^{2} c b$ and $a^{2} b c$ .

Move $c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + a^{2} b c + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Add $a^{2} b c$ and $a^{2} b c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 4 \cdot 3 - 4 (- a)) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 4$ by $3$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 12 - 4 (- a)) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $- 4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 12 + 4 a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Expand $(- 12 + 4 a) (- 24 - a b c)$ using the FOIL Method.

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 (- 24 - a b c) + 4 a (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 \cdot - 24 - 12 (- a b c) + 4 a (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 \cdot - 24 - 12 (- a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Simplify each term.

Multiply $- 12$ by $- 24$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 - 12 (- a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $- 12$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 (a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $- 24$ by $4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 (a \cdot a) (- 1 b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a^{2} (- 1 b c)}}{2 (3 - a)}$

Rewrite $- 1 b$ as $- b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a^{2} (- b c)}}{2 (3 - a)}$

Multiply $- 1$ by $4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a - 4 a^{2} b c}}{2 (3 - a)}$

Add $36$ and $288$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{- 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a - 4 a^{2} b c}}{2 (3 - a)}$

Subtract $4 a^{2} b c$ from $2 a^{2} b c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Simplify the expression to solve for the $+$ portion of the $\pm$ .

Change the $\pm$ to $+$ .

$x = \frac{- 6 + a c + a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Rewrite $- 6$ as $- 1 (6)$ .

$x = \frac{- 1 \cdot 6 + a c + a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $a c$ .

$x = \frac{- 1 \cdot 6 - (- a c) + a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6) - (- a c)$ .

$x = \frac{- 1 (6 - a c) + a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $a b$ .

$x = \frac{- 1 (6 - a c) - (- a b) + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6 - a c) - (- a b)$ .

$x = \frac{- 1 (6 - a c - a b) + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $\sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}$ .

$x = \frac{- 1 (6 - a c - a b) - 1 (- \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6 - a c - a b) - 1 (- \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})$ .

$x = \frac{- 1 (6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})}{2 (3 - a)}$

Move the negative in front of the fraction.

$x = - \frac{6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Simplify the expression to solve for the $-$ portion of the $\pm$ .

Simplify the numerator.

Apply the distributive property.

$x = \frac{- 1 \cdot 6 - (- a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Simplify.

Multiply $- 1$ by $6$ .

$x = \frac{- 6 - (- a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- (- a c)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + 1 (a c) - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $1$ .

$x = \frac{- 6 + a c - (- a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- (- a b)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + 1 (a b) \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{{(6 - a c - a b)}^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite ${(6 - a c - a b)}^{2}$ as $(6 - a c - a b) (6 - a c - a b)$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{(6 - a c - a b) (6 - a c - a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Expand $(6 - a c - a b) (6 - a c - a b)$ by multiplying each term in the first expression by each term in the second expression.

Simplify each term.

Multiply $6$ by $6$ .

Multiply $- 1$ by $6$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 (a c) + 6 (- a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $6$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 (a b) - a c \cdot 6 - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $6$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a c (- a c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a \cdot a c (- 1 c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a^{2} c (- 1 c) - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $c$ by $c$ by adding the exponents.

Move $c$ .

Multiply $c$ by $c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c - a^{2} c^{2} \cdot - 1 - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} c^{2} \cdot - 1$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + 1 a^{2} c^{2} - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a c (- a b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a \cdot a c (- 1 b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a^{2} c (- 1 b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite $- 1 b$ as $- b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} - a^{2} c (- b) - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} c (- b)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + 1 a^{2} c b - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - a b \cdot 6 - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $6$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a b (- a c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a \cdot a b (- 1 c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a^{2} b (- 1 c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Rewrite $- 1 c$ as $- c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b - a^{2} b (- c) - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} b (- c)$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + 1 a^{2} b c - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a b (- a b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a \cdot a b (- 1 b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} b (- 1 b) - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $b$ by $b$ by adding the exponents.

Move $b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} (b \cdot b) \cdot - 1 - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $b$ by $b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c - a^{2} b^{2} \cdot - 1 - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- a^{2} b^{2} \cdot - 1$ .

Multiply $- 1$ by $- 1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + 1 a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $a^{2}$ by $1$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 6 a c - 6 a b - 6 a c + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Subtract $6 a c$ from $- 6 a c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 6 a b + a^{2} c^{2} + a^{2} c b - 6 a b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Subtract $6 a b$ from $- 6 a b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + a^{2} c b + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Add $a^{2} c b$ and $a^{2} b c$ .

Move $c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + a^{2} b c + a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Add $a^{2} b c$ and $a^{2} b c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 4 \cdot (3 - a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 4 \cdot 3 - 4 (- a)) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 4$ by $3$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 12 - 4 (- a)) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $- 4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + (- 12 + 4 a) \cdot (- 24 - a b c)}}{2 (3 - a)}$

Expand $(- 12 + 4 a) (- 24 - a b c)$ using the FOIL Method.

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 (- 24 - a b c) + 4 a (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 \cdot - 24 - 12 (- a b c) + 4 a (- 24 - a b c)}}{2 (3 - a)}$

Apply the distributive property.

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} - 12 \cdot - 24 - 12 (- a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Simplify each term.

Multiply $- 12$ by $- 24$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 - 12 (- a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $- 1$ by $- 12$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 (a b c) + 4 a \cdot - 24 + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $- 24$ by $4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a (- a b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ by adding the exponents.

Move $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 (a \cdot a) (- 1 b c)}}{2 (3 - a)}$

Multiply $a$ by $a$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a^{2} (- 1 b c)}}{2 (3 - a)}$

Rewrite $- 1 b$ as $- b$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a + 4 a^{2} (- b c)}}{2 (3 - a)}$

Multiply $- 1$ by $4$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{36 - 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 288 + 12 a b c - 96 a - 4 a^{2} b c}}{2 (3 - a)}$

Add $36$ and $288$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{- 12 a c - 12 a b + a^{2} c^{2} + 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a - 4 a^{2} b c}}{2 (3 - a)}$

Subtract $4 a^{2} b c$ from $2 a^{2} b c$ .

$x = \frac{- 6 + a c + a b \pm \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Change the $\pm$ to $-$ .

$x = \frac{- 6 + a c + a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Rewrite $- 6$ as $- 1 (6)$ .

$x = \frac{- 1 \cdot 6 + a c + a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $a c$ .

$x = \frac{- 1 \cdot 6 - (- a c) + a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6) - (- a c)$ .

$x = \frac{- 1 (6 - a c) + a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $a b$ .

$x = \frac{- 1 (6 - a c) - (- a b) - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6 - a c) - (- a b)$ .

$x = \frac{- 1 (6 - a c - a b) - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Factor $- 1$ out of $- \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}$ .

$x = \frac{- 1 (6 - a c - a b) - (\sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})}{2 (3 - a)}$

Factor $- 1$ out of $- 1 (6 - a c - a b) - (\sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})$ .

$x = \frac{- 1 (6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a})}{2 (3 - a)}$

Move the negative in front of the fraction.

$x = - \frac{6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

The final answer is the combination of both solutions.

$x = - \frac{6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

The final solution is all the values that make $x (3 x^{2} + 6 x - 24 - a x^{2} - a x c - a x b - a b c) = 0$ true.

$x = 0$

$x = - \frac{6 - a c - a b - \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

$x = - \frac{6 - a c - a b + \sqrt{- 12 a c - 12 a b + a^{2} c^{2} - 2 a^{2} b c + a^{2} b^{2} + 324 + 12 a b c - 96 a}}{2 (3 - a)}$

Solve by Factoring 3x^3+6x^2-24x=ax(x+b)(x+c)

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