$2m^2-8m=30$
$\log a\left(14\right)-\log a\left(7\right)+2\log a\left(x\right)-3\log a\left(y\right)-\log a\left(1\right)$
$4x^{2}+4x-7$
$\cos2\theta=2\cos^{2}\theta-1$
$\frac{3y^2+13y-32}{y+6}$
$2x+1\:\cdot\:3-x$
$\int w^2\sqrt{w^3+5}dw$
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