$\int-4\cdot\sqrt{64x^2-4}$
$x^66+12x^3+36$
$5a^2+15a+12=a^2-a-4$
$\cos^2x-\cos x=2$
$\left(\left(\frac{1}{x^2}\right)+x\right)^y$
$3x^2-2x-7$
$19w-8w+2w$
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