$\sin\left(x\right)=\cos\left(2x\right)+2$
$4x^2-12x-1=0$
$\int\frac{1}{4}x\:e^xdx$
$x^6-16x^3+64$
$\left(2d^2b^5\right)^4$
$36y^2+24y+4$
$4x^2+4x+4-5x^4-3x^3+2x^2-x+3$
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