$2\cos\left(x\right)+2\sin\left(x\right)=\sqrt{6}$
$\frac{x}{-5}\le-8$
$\sin^2\:+\:2\sin\cos$
$x^2-4y+2y$
$\int8xe^{4x^2}dx$
$1-1+\left(-76+65-\left(-3\right)-4\right)$
$f\left(x\right)=x^2\left(3x+2\right)\left(2x-5\right)^2$
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