$3\tan^2\left(x\right)=2\tan\left(x\right)+2$
$\left(a+2x\right)\left(2x-3a\right)+4ax+3a^2$
$10\cos\:c+1=\cos\:c-1$
$\int\left(x^5\sqrt{2+x^2}\right)dx$
$39x^2-30x+25$
$8-7x=-10x-4$
$\log\left(2t^3+1\right)=3\log\left(t\right)$
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