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valentinak56 [21]
3 years ago
8

Which of the following is a solution of x^2 2x = −2?

Mathematics
1 answer:
dem82 [27]3 years ago
3 0
x^2+2x=-2\\
x^2+2x+1=-1\\
(x+1)^2=-1\\
x+1=\sqrt{-1}\vee x+1=-\sqrt{1}\\
x=-1+i \vee x=-1-i

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