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What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?

 Feb 14, 2020
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The inequality is x^2 - 4x + 3 > 0, so b + c = (-4) + 3 = -1.

 Feb 15, 2020

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