$3x+3=54$
$\frac{d^2}{dx^2}\left(\:y=x^4-2x^3-4x^2-5x+2\right)$
$1\cdot2+3\left(12-9\right)+7$
$z^2=1$
$3x^3y-9x^3y+11x^3y$
$\int\frac{2x^3+11x+8}{x^3+4x^2+4x}dx$
$\int\frac{e^2}{\left(1-e^u\right)^2}\:du$
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