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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 6.72. (page 718)

Multiply: $(3 c + 4) (5 c - 2)$

Short Answer

Expert verified

The required answer is $15 c^{2} + 14 c - 8$ .

Step by step solution

01

Step 1. Given information.

The given expression is:

$(3 c + 4) (5 c - 2)$

We have to multiply the given expression.

02

Step 2. Use the distributive property to multiply.

$(3 c + 4) (5 c - 2)$

Now distribute,

$= 3 c 路 (5 c - 2) + 4 路 (5 c - 2)$

distribute again,

$= 15 c^{2} - 6 c + 20 c - 8$

Combine like terms,

$= 15 c^{2} + 14 c - 8$

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