$81x^2\:+54x\:+9$
$x^2-8x+7=0$
$3w^2+7w+4$
$\int\left(\frac{4x-1}{\left(x+2\right)\left(x-4\right)\left(x+3\right)}\right)dx$
$4 x ^ { 2 } - 8 x ^ { 4 } - 6 x ^ { 3 } + 2 x ^ { 2 } - 6 x + 10$
$\frac{dy}{dx}=\frac{3x^2+2x+4}{y+2}$
$-2x^3+5x^2-3x+2$
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