$-3x^2+4x-9$
$2\cos^2\left(x\right)+2\sqrt{2}\cos\left(x\right)+1$
$-4\cdot9-7$
$b-5<8$
$\left(x+15\right)+\left(x+5\right)+\left(x+15\right)+\left(x+5\right)$
$x+11\le8$
$\int_{-5}^0x^{13}dx$
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