In problem, solve each equation in the real number system. 2x 4 - 19x 3 + 57x

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In problem, solve each equation in the real number system.

2x4 - 19x3 + 57x2 - 64x + 20 = 0

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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