$2x^2-16x+5$
$\left(x+4\right)\left(x-3\right)=0$
$\int ln\left(\sqrt{y+3}\right)dy$
$\lim_{x\to0}\frac{\sqrt{t^2+4}-2}{t^2}$
$\left(7a^2+2b^1\right)\left(7a^2-2b^1\right)$
$prove\:3+3tan^2\theta\:=\frac{3}{1-sin^2\theta\:}$
$11\left(8x+9\right)-6\left(1-6x\right)$
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