$9>5+5x$
$\left(m^3n^2-4\right)^3$
$\left(12x^3+25x^2+22x+13\right)\left(4x^2+3x+3\right)$
$3\:-\:\left[-9\:+\:5\::\:\left(-1\right)\right]\:+\:\left(-2\right)\:\cdot\:\left(-7\right)$
$f\left(x\right)=2sen\left(x-\frac{3\pi\:}{4}\right)-3$
$\left(2a+3x-5b\right)^2$
$4x^2-y^4$
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