$x+x^{-1}=4$
$\int2x\left(x^2+14\right)^8dx$
$5\cos^2x=3\left(1+\sin x\right)$
$f\left(x\right)=\left(2x-3\right)^6$
$\csc^2\left(x\right)-\sin^2\left(x\right)-\cos^2\left(x\right)=\cot^2\left(x\right)$
$5x^2-0$
$\left(2x^2-4y^5\right)^2$
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