$s^2-3s$
$3\sin^{2}x-8\sin x-3=0$
$cos^2\left(x+1\right)=\frac{1}{2}+\frac{1}{2}cos\left(2x+2\right)$
$\left(2y-7\right)^2$
$x\left(x+8\right)=0$
$\int_3^6\frac{3x-6}{\left(x-8\right)\left(x+3\right)}dx$
$4x^4+144x^2$
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