$f\left(x\right)=\sqrt[2]{x^{9+1\:}}$
$\int5x^2\cdot\cos\left(3x\right)dx$
$12r^2-5r-2$
$x^4-5x^3+5x^2+5x-6$
$\left(7m^2-6mn\right)^2$
$7-10-5-4+6-1$
$\left(x+7\right)\left(x-7\right)+45$
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