Solve the equation by completing the square. x 2 + 4x = 21

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Solve the equation by completing the square.

x² + 4x = 21

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Apr 06, 2019 08:14 AM

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Solve the equation by completing the square. x 2 + 4x = 21

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x 4x21 x 4x 4 2...View the full answer

Precalculus

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