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mrs_skeptik [129]
3 years ago
7

What are the solutions to x2 + 8x + 7 = 0

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
8 0
x^{2} +8x+7=0
Product=7
sum=8
x^{2} +x+7x+7=0
x(x+1)+7(x+1)=0
(x+7)(x+1)=0
x=-7, -1
3241004551 [841]3 years ago
6 0
X^2 + 8x + 7 = 0
x^2 + 7x + x + 7 = 0
x(x + 7) + 1(x + 7) = 0
(x + 7) (x + 1) = 0

x = -7      or       x = -1
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