$x ^ { 2 } - 7 x + 6 \leq 0$
$-177\left(5\right)$
$ab+2bc+bc$
$m+3=-4m-2$
$\int\:\frac{4x^2+2x+8}{x^3+4x^3+4x}dx$
$\lim_{x\to5}\left(\frac{x^3-4x-5x}{x^2+x-20}\right)$
$sec^3\left(x\right)+csc^3\left(x\right)=0$
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