Algebra: A Combined Approach (4th Edition)

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

Appendix A - Exercise Set: 53

Answer

Appendix A - Ex. Set : 53 (Answer) $8x^3 + 125y^3$ $= (2x + 5y)(4x^2 – 10xy + 25y^2)$

Work Step by Step

Appendix A - Ex. Set : 53 (Solution) $8x^3 + 125y^3$ $= (2x)^3 + (5y)^3$ $= (2x + 5y)[(2x)^2 – (2x)(5y) + (5y)^2]$ (Sum of two cubes) $= (2x + 5y)(4x^2 – 10xy + 25y^2)$
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