$\left(7m+5x\right)^2$

$\frac{1-\tan\left(x\right)^4}{\left(1-\tan\left(x\right)^2\right)\csc\left(x\right)^2}=\tan\left(x\right)^2$

$\frac{dy}{dx}=-2x^2+x^2y$

$4\sin\left(x\right)\cos\left(x\right)-2\sqrt{3}\sin\left(x\right)-2\cos\left(x\right)+\sqrt{3}=0$

$12c^2+50c+48$

$6-\left(-6\right)\cdot\left(-8\right)$

$\lim_{x\to\frac{\pi}{4}}\left(\tan\left(x-1\right)\sec2x\right)$