$\sin^3\left(x\right)-3\cdot\sin\left(2x\right)\cdot\cos\left(x\right)=0$
$\left(10-y\right)^2$
$-y^2+2y=0$
$\frac{x^3+x^2-1}{x^2+x}$
$\int\frac{1}{9x^4}dx$
$-7\left(-2m\:+\:5\right)$
$x^2-18x+32$
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