$4x^3-2x^2-7x-6\:;\:x=-2$
$-423+164$
$\int\frac{1}{a^2+b^2-2ab\cos\left(x\right)}dx$
$-2x+3\:and\:-x-5$
$11x+12^3\:$
$4x^2-16x+4$
$\int e^{-10x}dx$
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