Simplify (x+3)(x-6)

$(x + 3) (x - 6)$

Step 1

Expand $(x + 3) (x - 6)$ using the FOIL Method.

Apply the distributive property.

$x (x - 6) + 3 (x - 6)$

Apply the distributive property.

$x \cdot x + x \cdot - 6 + 3 (x - 6)$

Apply the distributive property.

$x \cdot x + x \cdot - 6 + 3 x + 3 \cdot - 6$

$x \cdot x + x \cdot - 6 + 3 x + 3 \cdot - 6$

Step 2

Simplify and combine like terms.

Simplify each term.

Multiply $x$ by $x$ .

$x^{2} + x \cdot - 6 + 3 x + 3 \cdot - 6$

Move $- 6$ to the left of $x$ .

$x^{2} - 6 \cdot x + 3 x + 3 \cdot - 6$

Multiply $3$ by $- 6$ .

$x^{2} - 6 x + 3 x - 18$

$x^{2} - 6 x + 3 x - 18$

Add $- 6 x$ and $3 x$ .

$x^{2} - 3 x - 18$

$x^{2} - 3 x - 18$

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