$\left(7y^2+3\right)\left(7y^2-3\right)$
$m^2+7=88$
$\left(x+2\right)\left(x+3\right)\left(x+8\right)$
$\frac{1}{1+\cos\left(x\right)}-\frac{1}{1-cos\left(x\right)}=2\:cosec^2\left(x\right)$
$\int4x\left(1-x\right)dx$
$4x\:+\:4\:>\:x\:+\:16\:$
$6x+5y-2z-4x-6y+5z$
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