$\cos\left(2x\right)+\sqrt{3}\cdot\sin\left(2x\right)=1$
$\int\left(4x-4\right)^4dx$
$\left(j\:+\:7f\right)\left(-6t\:-\:7f\right)$
$45\::\:-3\:=\:$
$9ab+12bd-45ac-60cd$
$\left(x+6\right)\left(x-12\right)$
$\left(-5\right)^2-\left(-5\right)-6$
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