SOLUTION: state which method should be applied as the first step for factoring the polynomial (x+7y)^2-25 A) factor the difference of squares B) find the GCF C) use the ac method(or tria

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Question 85147: state which method should be applied as the first step for factoring the polynomial
(x+7y)^2-25
A) factor the difference of squares
B) find the GCF
C) use the ac method(or trial and error)
D) group the terms

Answer by dolly(163)   (Show Source): You can put this solution on YOUR website!
A) factor the difference of squares
(x+7y)^2 - 25
= (x+7y)^2 - 5^2
= (x+7y+5)(x+7y-5)















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