$12y^2-6y-90$
$\int\left(\frac{2x+7}{\left(3x^2+21x\right)^3}\right)dx$
$2x+22=6x+46$
$2a^3+16$
$\frac{x}{10}\:+\:78=55$
$y^2-3xy$
$\sqrt[2]{\left(\sqrt[2]{2a^2}+\sqrt[2]{2^{-1}}\right)}^2$
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