If x 2 + 12x = 13, and x < 0, what is the value of x

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If x2 + 12x = 13, and x < 0, what is the value of x2?

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Related Book For  answer-question

McGraw-Hill Education SAT 2017

ISBN: 9781259641657

1st Edition

Authors: Christopher Black, Mark Anestis

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