4 years ago

Which of the following is a solution of x^2 + 2x + 8?

Mathematics

1 answer:

denis-greek [22]4 years ago

4 0

X^2 + 2x + 8 = 0

(x + 1)^2 - 1 + 8 = 0

(x + 1)^2 = -7

x + 1 = sqrt (-7) = i sqrt7

x = -1 + i sqrt7

Its B

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