$4x^2+32x+60$
$\left(x^2-6x-2\right)^2-\left(x^2-6x-4\right)^2-4\left(x-3\right)^2$
$10x\:+\:3y\:+\:4x\:+\:5y$
$\frac{3x^3+2x^2+3x+7}{x^2+1}$
$\left(pn-7\right)^3$
$\left(4m^2-3\right)\left(4m^2-6\right)$
$-5g+\left(-15\right)=55$
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