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(-3ab+7a-2) - (-9ab-4)
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(-3ab+7a-2) - (-9ab-4)

User Nicolas De Loof
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1 Answer

3 votes
Given:
(-3ab+7a-2) - (-9ab-4)
Expand the expression using plus/minus rule.
-(-a)=a and -(a)=-a
=-3ab+7a-2 + 9ab +4
Add like terms
=6ab+7a+2

Answer: 6ab + 7a + 2
User Ahuva
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7.8k points
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