$x^2>2x-1$
$x2-6x+32$
$3cos^2\left(x\right)-sin^2\left(x\right)=4cos^2\left(x\right)-1$
$\left(5-3\right)^2+5\left(5\right)$
$cos^2x-cos2x=sin^2x$
$\frac{d^3}{dx^3}\left(6cos\left(\frac{x}{4}\right)\right)$
$18x^2-42x+24\cdot5$
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