$\int\cos^2\left(2z\right)\sin^2\left(2z\right)dz$
$3cos^2\left(x\right)+7cos\left(x\right)-6=0$
$\left(3x+2y\right)\left(2y-3x\right)\left(4y^2+9x^2\right)$
$\frac{dy}{dt}\left(y=\frac{\sqrt{\sin\left(t\right)\cos\left(t\right)}}{6+5ln\left(t\right)}\right)$
$-2\left(-3\right)^2\:-\:\left(-8\right)$
$\left(4ab-7c\right)\left(ab-6c\right)$
$2-9v=-61$
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