Answer
$x^2+2x$
Work Step by Step
$(2x^2+1)-(x^2-2x+1)=(2-1)x^2+2x+(1-1)=x^2+2x$
To subtract 2 polynomials we need to subtract the like terms by subtracting their coefficients.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.3 - Polynomials and Special Products - Exercises - Page 31: 18
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