$\left(\left(\left(-3\right)^3\right)^2\right)^4$
$x^2-8x+16<0$
$6a+10b-3a+5a$
$120=x+59$
$9\sin\left(x\right)\left(\csc\left(x\right)-\sin\left(x\right)\right)$
$2+x-x^2$
$\cos^2\left(x\right)-\sin^2\left(x\right)=2-5\cos\left(x\right)$
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