Answer
4x+20
Work Step by Step
The distributive property was not properly applied. The two terms created by multiplying 4 by the two addends should be added rather than multiplied.
$4(x+5)=(4\times x)\underset\uparrow+(4\times 5)=4x+20$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Practice and Problem-Solving Exercises - Page 51: 69
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