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The roots of $y^2 + 5y - 11 = 0$ are $a$ and $b$. Find $(a + 3)(b + 3).$

 Jul 26, 2020
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The roots a and b are 5±693

 

so (a + 3)(b + 3) = (5+693+3)(5693+3)=21

 Jul 27, 2020

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