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543 - Review Exercises

Elementary Algebra
Found in: Page 1025
Elementary Algebra

Elementary Algebra

Book edition 2nd
Author(s) Lynn Marecek, MaryAnne Anthony-Smith
Pages 1240 pages
ISBN 9780998625713

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Short Answer

Subtract Rational Expressions with a Common Denominator

In the following exercises, subtract.


The answer is (d-7).

See the step by step solution

Step by Step Solution

Step 1. Given Information.


d2d+4-3d+28d+4 having the same denominator.

Step 2. Solving the expression given.

As the denominator is same so we can directly subtract the numerators:d2d+4-3d+28d+4 = d2-(3d+28)d+4 = d2-3d-28d+4= (d+4)(d-7)d+4 = d-7.

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