$x^2+60-19x=0$
$a+\frac{7}{4}-2=\frac{11}{4}$
$\:\frac{1}{cot^2w}+\:sec\:w\:cos\:w\:$
$\int x.e^{-4}dx$
$\left(\left(-2+14-8\right)-3\right)\cdot\left(-5-8+7-3\right)$
$\int e^{7x}dx$
$-\:2xy\:+\:3wz\:-\:4xy\:+\:5wz\:-\:6xy\:-\:8wz$
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