$4x^2\:+\:4k^3+\:5x^2\:-\:2k^3$
$\lim_{x\to-1}\left(\frac{4x+\sqrt{5-11x}}{\sqrt{x^2+8}-3}\right)$
$\int\frac{\sin\left(x\right)}{\cos^6\left(x\right)}dx$
$\int_7^{\infty}\left(\frac{1}{x\ln\left(x\right)}\right)dx$
$2x+2+7x$
$35-3^3$
$32\:^{x^2-5x-3}=1$
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