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Algebra 1

Carter, Cuevas, Day, Holiday, Luchin

$Math Studyset Vaia Explanations$ Math

Student Edition · 801 pages

ISBN: 9780078884801

Chapter 1: Q8. (page 30)

Evaluate the following expression:
$4 (3 + 9)$

Short Answer

Expert verified

The algebraic expression is: $4 (3 + 9) = 48$ .

Step by step solution

01

Step 1. Given information.

The expression is:

$4 (3 + 9)$

02

Step 2. Write the concept.

Use the distributive property such that, $a (b \pm c) = a c \pm a b$ .

03

Step 3. Solve the expression.

The expression $4 (3 + 9)$ can be solved as in below.

$4 (3 + 9) = 4 \times 3 + 4 \times 9 = 12 + 36 = 48$

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