Write in Standard Form (3x^2+2x-3)(x^2-x-1)

$(3 x^{2} + 2 x - 3) (x^{2} - x - 1)$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Expand $(3 x^{2} + 2 x - 3) (x^{2} - x - 1)$ by multiplying each term in the first expression by each term in the second expression.

$3 x^{2} x^{2} + 3 x^{2} (- x) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Simplify terms.

Simplify each term.

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

Move $x^{2}$ .

$3 (x^{2} x^{2}) + 3 x^{2} (- x) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

$3 x^{2 + 2} + 3 x^{2} (- x) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Add $2$ and $2$ .

$3 x^{4} + 3 x^{2} (- x) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Rewrite using the commutative property of multiplication.

$3 x^{4} + 3 \cdot - 1 x^{2} x + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

Move $x$ .

$3 x^{4} + 3 \cdot - 1 (x \cdot x^{2}) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

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

$3 x^{4} + 3 \cdot - 1 (x^{1} x^{2}) + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

$3 x^{4} + 3 \cdot - 1 x^{1 + 2} + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Add $1$ and $2$ .

$3 x^{4} + 3 \cdot - 1 x^{3} + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $3$ by $- 1$ .

$3 x^{4} - 3 x^{3} + 3 x^{2} \cdot - 1 + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $- 1$ by $3$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x \cdot x^{2} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

Move $x^{2}$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 (x^{2} x) + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

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

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 (x^{2} x^{1}) + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{2 + 1} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Add $2$ and $1$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} + 2 x (- x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Rewrite using the commutative property of multiplication.

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} + 2 \cdot - 1 x \cdot x + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

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

Move $x$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} + 2 \cdot - 1 (x \cdot x) + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $x$ by $x$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} + 2 \cdot - 1 x^{2} + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $2$ by $- 1$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} - 2 x^{2} + 2 x \cdot - 1 - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $- 1$ by $2$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} - 2 x^{2} - 2 x - 3 x^{2} - 3 (- x) - 3 \cdot - 1$

Multiply $- 1$ by $- 3$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} - 2 x^{2} - 2 x - 3 x^{2} + 3 x - 3 \cdot - 1$

Multiply $- 3$ by $- 1$ .

$3 x^{4} - 3 x^{3} - 3 x^{2} + 2 x^{3} - 2 x^{2} - 2 x - 3 x^{2} + 3 x + 3$

Simplify by adding terms.

Add $- 3 x^{3}$ and $2 x^{3}$ .

$3 x^{4} - x^{3} - 3 x^{2} - 2 x^{2} - 2 x - 3 x^{2} + 3 x + 3$

Subtract $2 x^{2}$ from $- 3 x^{2}$ .

$3 x^{4} - x^{3} - 5 x^{2} - 2 x - 3 x^{2} + 3 x + 3$

Subtract $3 x^{2}$ from $- 5 x^{2}$ .

$3 x^{4} - x^{3} - 8 x^{2} - 2 x + 3 x + 3$

Add $- 2 x$ and $3 x$ .

$3 x^{4} - x^{3} - 8 x^{2} + x + 3$

Write in Standard Form (3x^2+2x-3)(x^2-x-1)

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