$6x^2+43x-40$
$10\csc\left(x\right)+10=0$
$\left(2a^3+8b^4\:\right)^2$
$\log\left(30-x\right)-\log\left(x\right)=\log\left(x-2\right)$
$50-\left(-48\right)-\left(-2\right)-110$
$5\sin^2\left(x\right)-8\sin\left(x\right)-4$
$3x-6=3x+9$
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