$107^2-93^2$
$9+4+12+5-1+8-1$
$\int\frac{3x+1}{x^2-x-6}dx$
$\sin^3\left(x\right)-\cos^3=0$
$\left(2x^4-6x^3+10x\right)-\left(3x+1-6x^4\right)$
$12a^2bc^3-5a^2bc^3+3a^2bc^3-2a^2bc^3$
$\int\frac{1}{x^2-5x+4}dx$
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