$9\sin\left(x\right)^2-cosx^2=7$
$5+\frac{p}{3}=-6$
$\left(-3\cdot7\right)+\frac{10}{5}$
$\frac{d}{dx}2x+9$
$102^2-3^2$
$\frac{q^2}{4}-pq+p^2$
$\sqrt{4^2}-4\left(-1\right)\left(-2\right)$
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