$2\left(x^2+2y^2\right)$
$-9x+2\ge11$
$2x^2+40x+150$
$11\left(x+10\right)=132$
$\left(-1\right)+11+5$
$12a+14a+16a+a$
$\frac{x^4+16}{x-2}$
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