$\frac{6cos\left(8x\right)sin\left(2x\right)}{sin\left(-6x\right)}=-3sin\left(10x\right)csc\left(6x\right)+3$
$121^2+22+1$
$-37\:-\left(-\:48\right)\:$
$\lim_{x\to3}\left(\frac{x^3-7x^2+15x-9}{3x^3-16x^2+23x-6}\right)$
$25a^4-10a^2b^3+b^6$
$\lim_{x\to\infty}\left(\frac{e^{2x}}{\sqrt{x}}\right)$
$3x+14=-13$
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