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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 6: Q 283. (page 729)

Simplify the polynomial.
$(y^{2} 鈥� 鈭� 鈥� 2 y) (y 鈥� + 鈥� 1)$

Short Answer

Expert verified

The required answer is $y^{3} - y^{2} - 2 y$ .

Step by step solution

01

Step 1. Given information.

The given expression is $(y^{2} - 2 y) (y + 1)$ .

02

Step 2. Simplify the expression.

By using FOIL method.

$(y^{2} - 2 y) (y + 1) = y^{2} y + y^{2} 脳 1 - 2 y 脳 y - 2 y 脳鈥� 1 = y^{3} - y^{2} - 2 y$

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