$\left(z-1\right)^5$
$-1\cdot2x-1$
$3x^2+9x-3+4x^3-x^2+4x-9$
$3\cdot\:\left(x-5\right)^2-12\ge\:0$
$\frac{d}{dx}sen\:^2\:x\:.\:e^x$
$-3a^2b+3ab$
$-1^{20}$
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