$\left(7x+9y+6xz\right)^2$
$4sin^2\beta\:-3=0$
$9x^4-60x^2+100$
$3\cos\left(2x\right)+\cos\left(x\right)-2=0$
$-\left(1^2\right)+2\left(1\right)+2$
$\int\cos^{19}\theta\:\sin\theta\:d\theta\:$
$\frac{dy}{dx}=y^2-4;y\left(0\right)=-2$
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