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Question

x^2=7x+12=0

Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary.

4 years ago

Answers

oobleck
assuming a typo for
x^2+7x+12 = 0
x^2 + 7x + (7/2)^2 = -12 + (7/2)^2
(x + 7/2)^2 = 1/4
x + 7/2 = ± 1/2
x = -7/2 ± 1/2
4 years ago

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