SOLUTION: How do I subtract this: 16a^2-49b^2=

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Question 675888: How do I subtract this:
16a^2-49b^2=
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
You cannot subtract because the variable are different
16a%5E2+-+49b%5E2
...
It can be factored though,
(4a+7b)(4a-7b)
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