## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Prerequisites - P.3 - Polynomials and Special Products - Exercises - Page 31: 30

#### Answer

$$-7y^4 +4y^3$$

#### Work Step by Step

Like is the case with numbers, note that polynomials follow the distributive property. Thus, using the distributive property and combining like terms, we obtain: $$-7y^4 +4y^3$$

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