$\int\frac{1}{2+8x^2}dx$
$\left(0\right)\left(-1\right)+\left(-1\right)\left(3\right)+\left(-2\right)\left(2\right)$
$\frac{-9^3-9x^2-x}{x^2+9}$
$3-x^2+2abx^2-bab$
$\frac{dy}{dx}=x^2y\:-y\:+\:x^2\:-\:1$
$b2+6b-40$
$-9\left(1-3m\right)$
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