
Concept explainers
To Rewrite: The polynomial expression 5mr−7mp as sum.

Answer to Problem 3QC
The new expression is 5mr+(−7mp) .
Explanation of Solution
Given information:
The expression is 5mr−7mp .
Formula used:
Subtraction is a process of addition of additive inverse of second number.
Additive inverse of a is −a.
Calculation:
Consider the expression 5mr−7mp .
Recall that the Subtraction is a process of addition of additive inverse of second number.
Additive inverse of a is −a.
Observer that additive inverse of 7mp is −7mp .
Use it,
5mr−7mp=5mr+(−7mp)
Thus, the expression can be rewrite as 5mr+(−7mp) .
Chapter 5 Solutions
Glencoe Algebra 2 Student Edition C2014
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