$121^2-132c+3$
$\left(x+10\right)\left(x+5\right)$
$\int_1^{3\pi}\sin^2\left(x\right)dx$
$\lim_{x\to0}\left(\frac{\sin\left(x\right)\sec\left(x\right)}{x}\right)$
$49x^2x$
$\left(a+h\right)^2+5\left(a+h\right)+3$
$\cot e+\frac{\sin e}{1+\cos e}=\csc e$
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