$-3x^7+6x^5+9x^2+3x$
$2\sqrt{2}\cos\left(w\right)+3=5$
$\int\frac{4x}{\sqrt{9x^4+25}}dx$
$x+5=x+3$
$4\cos^2\left(x\right)+8\cos\left(x\right)+4$
$\left(3x\:+\:4\right)\left(2x^2\:-\:2x\:-\:6\right)$
$-5r+5$
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