SOLUTION: Is the following binomial a difference of squares: 9a^2 - 8b^2 What does this mean? Thank you!

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Question 70415: Is the following binomial a difference of squares:
9a^2 - 8b^2
What does this mean? Thank you!
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
NO!!!
IN ORDER FOR THIS EQUATION TO BE A DIFFERENCE OF SQUARES BOTH NUMERIC VALUES MUST BE SQUARES IS A SQUARE (3^2) 8 IS NOT A SQUARE (2SQRT2).