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(1A to 1D) Expansion Review

Mixed Practice

Expand and simplify.
*Write your answers with powers of $x$ in descending order. $\left(\square x^2 \pm \square x \pm \square\right)$

$\left(x-7\right)\left(x+8\right)$

Expand and simplify.

$\left(-5y+4\right)^{2}$

Expand and simplify.

$\left(x+3\right)\left(x-3\right)$

Expand and simplify.
*Write your answers with powers of $x$ in descending order. $\left(\square x^2 \pm \square x \pm \square\right)$

$\left(x+6\right)\left(-2+x\right)$

Expand and simplify.

$\left(x+9\right)\left(x-9\right)$

Expand and simplify.

$\left(2x-3\right)^{2}$

Expand and simplify.

$\left(x-9\right)\left(x+9\right)$

Expand and simplify.
*Write your answers with powers of $x$ in descending order. $\left(\square x^2 \pm \square x \pm \square\right)$

$\left(3-x\right)\left(x-3\right)$

Expand and simplify.
*Write your answers with powers of $x$ in descending order. $\left(\square x^2 \pm \square x \pm \square\right)$

$\left(4-x\right)\left(9+x\right)$

Expand and simplify.

$\left(-9+4x\right)^{2}$

Mixed Practice 2

Expand and simplify.

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