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# I need some help with this problem.

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

Jul 19, 2021

#1
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By Vieta's formulas, b + c = (-2) + 3 + (-2)(3) = -5.

Jul 19, 2021
#2
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Figured it out myself, this is an interval problem not a quadratic problem, btw you were wrog the answer was -7.

Jul 19, 2021