$-4x^2-49x-151=-7x^2-82x-235$
$a^2+5a-14=0$
$8\cdot6+2$
$\int x^2\sqrt{x^3+18}dx$
$-26-\left(39+59\right)$
$\left(70-y\right)^2$
$-4sinx+sin^2x$
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