$40y^2-72y+32$
$\left(1+\tan^2\left(a\right)\right)^2+\left(1-\tan^2\left(a\right)\right)^2$
$2x^2-4x-20$
$-1x-4$
$x=\frac{x-x}{k+x}$
$\int\left(\frac{10x}{3}-\frac{1}{2}\right)e^{3x-10x^2+6}dx$
$512\cdot16\cdot64$
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