SOLUTION: Solve the quadratic 5x2 + 90 = 10

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Question 719735: Solve the quadratic 5x2 + 90 = 10
Answer by Alan3354(69443) About Me  (Show Source):
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Solve the quadratic 5x2 + 90 = 10
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5x^2 = -80
x^2 = -16
x = ± 4i