$6x^2-15x$
$x^2-26x+98=-71$
$-\frac{9}{2}\:\:\frac{1}{6}m^2$
$\left(9+8i\right)+\left(4+7i\right)-\left(9+6i\right)$
$9cos^2x=-10cosx-1$
$\left(2x\:^3\:+4x^5\right)^2$
$\frac{dy}{dx}=\frac{\left(x^2+3y^2\right)}{4xy}$
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