Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.3 Polynomials - R.3 Exercises - Page 33: 63

Answer

$m^2+mn-4m-2n^2+4n+km+2k-4k$

Work Step by Step

$(m-n+k)(m+2n-4)$ $m*m+m*2n+m(-4)+(-n)m+(-n)2n+(-n)(-4)+km+k2n+k(-4)$ Simplify $m^2+2mn-4m-mn-2n^2+4n+km+2kn-4k$ Combine like terms $m^2+mn-4m-2n^2+4n+km+2k-4k$
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