$x^2-8x+3=11$
$\left(16x+2\right)\left(16x-2\right)$
$y^6-81$
$2x^2+8x-12=0$
$34.7+27.87$
$a\cdot a-b$
$\frac{3}{x+1}-\frac{2}{x-1}=\frac{1}{x^2-1}$
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