SOLUTION: factor completely 16x² - 225

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Question 400012: factor completely 16x² - 225
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

factoring completely 

 16x^2 - 225

 (4x + 15)(4x -15)

Note:SUM of the inner product(60x) and the outer product(-60x) = 0