$\left(a+5\right)\left(2+a\right)$
$\left(-100\right)-\left(172\right)$
$2x^4-5x^3+4x^2-6x-3+4x-8$
$25x^2+90x+81$
$4x^8-64x^4+144$
$\int_1^55xdx$
$\left(1+\tan\left(x\right)\right)^2+\left(1-\tan\left(x\right)\right)^2$
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