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OpenStudy (3redsons):
x^2−18x=17 what number needs to be added to boths sides of the equation to complete the square?
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OpenStudy (mathmale):
Take the coefficient (-18) of the x term. Divide this coeff. by 2. Square the result. That'll be your answer.
OpenStudy (mathmale):
suggest you not post a question and then disappear. Please, consider sticking around for at least a few min to see whether someone tries to help you.
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