$\left(\frac{1}{4}v^2+\frac{5}{2}u^2\right)\left(\frac{1}{4}v^2-\frac{5}{2}u^2\right)$
$\left(-7+0b\right)$
$0\:-8\:-\:-6\:+12\:-6\:+\:-2\:-\:-15\:-6$
$\int15^{2x}dx$
$4x^{2}+4x$
$2m^4-m^2$
$60x-x^2-900\ge0$
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