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Find the sum and the difference of the following expressions. a-b and a+b The sum is_____, The difference is_____.
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Find the sum and the difference of the following expressions.

a-b and a+b

The sum is_____, The difference is_____.

User Shenequa
by
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2 Answers

0 votes
Sum :
a-b+(a+b)
a+a-b+b=2a

Difference:
a-b-(a+b)
a-b-a-b
-2b
User Pieter Van Den Ham
by
5.3k points
1 vote

Answer:

sum=2a

diff.=-2b

Explanation:

a-b+a+b=

2a

a-b-a-b=-2b

User Viteinfinite
by
5.1k points
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