$-4x^2+32x+36$
$x^2+y^2+1=0$
$15+78+34$
$14u-44=24u+16$
$\sec\left(x^2\right)-\csc\left(x^2\right)$
$25m^2+60mn+36m^2$
$\lim_{x\to\infty}\left(\frac{x^2-x+1}{x^2+2}\right)^{\frac{\left(x^2+1\right)}{x}}$
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