itomath.com

(1C) Difference of two squares

Practice

Expand and simplify.

$\left(x+3\right)\left(x-3\right)$
$\left(x-8\right)\left(x+8\right)$

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

$\left(6x+1\right)\left(6x-1\right)$
$\left(5x+1\right)\left(5x-1\right)$

$\left(x+2\right)\left(x-2\right)$
$\left(5x+1\right)\left(-5x+1\right)$

$\left(x+2\right)\left(-2+x\right)$
$\left(x+9\right)\left(9-x\right)$

$\left(x+7\right)\left(-7+x\right)$
$\left(x-6\right)\left(6+x\right)$

$\left(-7x+2\right)\left(2+7x\right)$
$\left(5x-2\right)\left(2+5x\right)$

$\left(-3x+4\right)\left(4+3x\right)$
$\left(-8x+1\right)\left(1+8x\right)$

$\left(1+x\right)\left(x-1\right)$
$\left(-4+x\right)\left(4+x\right)$

$\left(2+5x\right)\left(-5x+2\right)$
$\left(5-2x\right)\left(5+2x\right)$