Concept explainers
To Evaluate: The simplified value of the expression
Answer to Problem 18CLR
The value of the expression
Explanation of Solution
Given information:
The expression is
Formula used:
When an algebraic expression multiply by group of algebraic terms connected with addition or subtraction is equal to multiplication of expression with the terms separately. That is
If two terms have the same sign, their product is positive.
If two terms have the opposite sign, their product is negative.
Calculation:
Consider the expression is
Recall that when an algebraic expression multiply by group of algebraic terms connected with addition or subtraction is equal to multiplication of expression with the terms separately. That is
Use it,
Again recall that If two terms have the same sign, their product is positive and
if two terms have the opposite sign, their product is negative.
Apply it,
Thus, the value of the expression
Chapter 12 Solutions
Algebra: Structure And Method, Book 1
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