$y=2x^2-4x+2$
$\left(+4\right)+\left(+74\right)$
$\frac{6x^5+4x^3-3}{2x^2+4x+5}$
$x+yi=2-3i$
$\int x\left(-\sin\left(x^2\right)^{-1}\right)dx$
$\cos^220-\sin^220$
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