$-1+2d^2+-7d^2+8d^2+-2d^2+-5d^2$
$31-2^2-1^3\cdot3$
$x^3-2x-x+4$
$3x^2-2x+2$
$16x^2-49=0$
$\int\:6\cos\:^3\left(x\right)dx$
$\int\:2^{6bx}\:dx$
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