$2v^3+3v^2+12v+18$
$\frac{dx}{dy}=\frac{x^3y}{1+x^2}$
$\int\:\:cosh\left(8x-23\right)sinh\left(8x-23\right)dx$
$20x^2+13x+2$
$x^6=-27$
$3x^2-6x-12=0$
$z3\:+\:729$
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