$2sin^2x-9sinx+4$
$\frac{dy}{dx}=2y-\left(2x^2\right)-3$
$4\left(z+2\right)-1>5-7\left(4-z\right)$
$\int2x\left(1-x^4\right)dx$
$4x-y+3z=8$
$7x^{3}+3x^{2}$
$\sqrt{4}.\sqrt{9}.\sqrt{16}.\sqrt{8}$
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