$8m^3+4m^2+12m$
$\frac{\sin\:^22x}{2}+\cos^2x=1$
$x^2-2x-3\le0$
$\left(\frac{9x^5}{x^2}\right)^2$
$-7^0$
$a+b-3a+b$
$3p+2b=276$
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