$3\left(4\right)\left(1\right)+2$
$9x^2-3x+10$
$a^2-8a+12=0$
$\cot\left(x\right)^2\sin\left(x\right)^2+\sin\left(x\right)^2-\cos\left(x\right)^2=\sin\left(x\right)^2$
$\sqrt{x+7}+x=5$
$-44x^2+556x-336=0$
$144u^2-204u+42$
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