SOLUTION: find the value a2-b2/a-b=

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Question 248329: find the value
a2-b2/a-b=
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

%28a%5E2-b%5E2%29%2F%28a-b%29 Start with the given expression.


%28%28a-b%29%2A%28a%2Bb%29%29%2F%28a-b%29 Factor a%5E2-b%5E2 to get %28a-b%29%2A%28a%2Bb%29.


%28%28a-b%29%2A%28a%2Bb%29%29%2F%28%28a-b%29%29 Factor a-b to get %28a-b%29.


%28highlight%28%28a-b%29%29%28a%2Bb%29%29%2F%28highlight%28%28a-b%29%29%29 Highlight the common terms.


%28cross%28%28a-b%29%29%28a%2Bb%29%29%2F%28cross%28%28a-b%29%29%29 Cancel out the common terms.


a%2Bb Simplify.


So %28a%5E2-b%5E2%29%2F%28a-b%29 simplifies to a%2Bb.


In other words, %28a%5E2-b%5E2%29%2F%28a-b%29=a%2Bb