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When the expression -2x^2 - 10x - 83 is written in the form a(x + d)^2 + e , where a, d, and e are constants, then what is the sum a + d + e?

 Oct 21, 2020
 #1
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-2x^2 - 10x - 83

factor out -2

-2 (x^2+5x)      - 83      complete the square for x

-2(x+2.5)2      + 12.5  - 83

-2(x+2.5)2 -70.5 

 Oct 21, 2020

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