$\sec^2\left(x\right)-\csc^2\left(x\right)=\left(\tan\left(x\right)+\cot\left(x\right)\right)^2$
$m^2+n^2=25$
$\left(x+\frac{1}{11}\right)\left(x-\frac{7}{12}\right)$
$\frac{d}{dx}10$
$7x>-14$
$\left(2a+b\right)\left(a-2b\right)$
$5x^2-7x-90=0$
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