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How do you Solve the equation x2 plus 10x equals 18 by completing the square?
Wiki User
∙ 12y ago
x2 + 10x = 18
x2 + 2(5)x - 18 = 0
x2 + 2(5)x + 25 = 18 + 25
(x + 5) 2 = 43
x + 5 = 430.5
x=6.56(3sf)-5
Wiki User
∙ 12y ago
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