$\frac{dy}{dx}\left(sen\left(2x-y\right)-cos\left(2y-x\right)+x+y=0\right)$
$\int\frac{2x^3+2x^2+8}{\left(x^2-4x+4\right)\left(x^2+4\right)}dx$
$\int\frac{1}{2x^2+5}dx$
$4sin^22x=2$
$g^2-4g+4$
$\left(4v\:-\:\:6\right)^2$
$3x\:+\:14\:-\:x\:+\:112\:and\:4x\:+\:134$
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