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The roots of the quadratic equation $z^2 + bz + c = 0$ are $-7 + 2i$ and $-7 - 2i$. What is $b+c$?

 May 27, 2021
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The quadratic is (x + 7)^2 - 4 = x^2 + 14x + 45, so b + c = 14 + 45 = 59.

 May 27, 2021

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