$2\sec^2\left(y\right)\tan\left(y\right)$
$\int\left(\frac{3x+6}{x^2+4x+3}\right)dx$
$\left(2x^2+10y\right)^2$
$3\:x\:3+\left(-9\right)$
$\left(\frac{6x^{-3}y^7}{3x^{-2}y^{-3}}\right)^{-2}$
$2\cot^2x+2\csc^2x=11\csc^2x-8$
$x^2+8x+24$
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