Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set: 68

Answer

$(5\sqrt{3x}-\sqrt{y})(4\sqrt{x}+1)=20x\sqrt{3}+5\sqrt{3x}-4\sqrt{xy}-\sqrt{y}$

Work Step by Step

$(5\sqrt{3x}-\sqrt{y})(4\sqrt{x}+1)$ Evaluate the product and simplify if possible: $(5\sqrt{3x}-\sqrt{y})(4\sqrt{x}+1)=20\sqrt{3x^{2}}+5\sqrt{3x}-4\sqrt{xy}-\sqrt{y}=...$ $...=20x\sqrt{3}+5\sqrt{3x}-4\sqrt{xy}-\sqrt{y}$
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