$\int x\sqrt{1+9x^2}dx$
$\left(5x+3\right)\cdot4\le\left(3x+1\right)\cdot2$
$2+tan^2\left(\theta\:\right)+cot^2\left(\theta\:\right)=sec^2\left(\theta\:\right)csc^2\left(\theta\:\right)$
$\left(6x^3+2\right)\left(6x^3+9\right)$
$2x+9+4x-6$
$-2w=-20$
$x^2+6x+x$
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