Answer
$x^2+28x+192$
Work Step by Step
Multiply the length by the width:
$(x+12)(x+16)=x(x)+x(16)+12x+12(16)=x^2+(16+12)x+192=x^2+28x+192$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - Review Exercises - Page 63: 79
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