$\sqrt{\left(-3\right)^2}$
$2^{8^{x-2}}=4^{4^{x-1}}$
$3x^2=22x-5$
$x+1,\:9-x^2$
$\int\frac{\cos\left(2x\right)+\sin^2\left(x\right)}{\cos\left(x\right)}dx$
$\left(\frac{1}{2}a^2b^2-4b^5\right)\left(\frac{1}{2}a^2b^2+4b^5\right)$
$4x+2y+2x+y+4x+2y$
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