SOLUTION: factor
25(x+3)^2-9(x-1)^2
16(x+1)^2-9(x+2)^2
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Question 77977This question is from textbook algebra structue and method
: factor
25(x+3)^2-9(x-1)^2
16(x+1)^2-9(x+2)^2
This question is from textbook algebra structue and method
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since these expressions represent a difference of squares, we can use that identity. For instance, is equivalent to
which can be written as
So now we use the difference of squares formula to get
So factors to
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The same idea can be applied to
So factors to
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