$3\left|-2\right|-5\left|2\right|$
$\frac{3x^3-2x^2+x-3}{x+2\:}$
$+15x^3+9x^3+7x^2$
$\left(\frac{\sin\left(20\right)\cdot\cos\left(40\right)+\cos\left(20\right)\cdot\sin\left(40\right)}{\cos^2\left(30\right)-\sin^2\left(30\right)}\right)$
$0.58\:and\:\frac{4}{5}$
$\left(-5\right)\left(-10+12\right)$
$\left(6b+6a-5c\right)^2$
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