$4x^2-12x\:+\:m=\left(2x-n\right)^2$
$\int\:cosh^2\left(x-3\right)sinh\left(x-3\right)dx$
$2x^2+7x+12.25$
$-5w=-145$
$9+30^3+25$
$\frac { \sqrt { 4 } } { n }$
$\sqrt{x+7}^2$
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