itomath.com
(1D) Perfect squares expansion
Expand and simplify.
$\left(6y+7\right)^{2}$
$\left(9y+4\right)^{2}$
$\left(-3+5y\right)^{2}$
$\left(-5-2x\right)^{2}$
$\left(-8y+9\right)^{2}$
$\left(7y+5x\right)^{2}$
$\left(-3y+2\right)^{2}$
$\left(9x+5\right)^{2}$
$\left(4x-3\right)^{2}$
$\left(4y+5x\right)^{2}$