$98^2$
$an+bn+2bn+3an+an+bn$
$\int\frac{1}{5-8x}dx$
$y=4x^2+2x^2-7x+8$
$\left(3x^8-6y\right)\left(3x^8+6y\right)$
$-\int_{-5}^5-\frac{3}{25}x^2dx$
$\lim_{x\to a}\left(\left(x^2-\left(a+1\right)x+a\right)\left(x^2-a^2\:\right)\right)$
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