SOLUTION: I am working on this problem and need help .. Which of the following is the correct factorization of 36x2 - 81? a.(6x-9)(6x+9)-i picked b.(6x+9)(6x+9) c(18x-9)(3x+9) d.(6x

SOLUTION: I am working on this problem and need help .. Which of the following is the correct factorization of 36x2 - 81? a.(6x-9)(6x+9)-i picked b.(6x+9)(6x+9) c(18x-9)(3x+9) d.(6x

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Question 900337: I am working on this problem and need help ..

Which of the following is the correct factorization of 36x2 - 81?
a.(6x-9)(6x+9)-i picked
b.(6x+9)(6x+9)
c(18x-9)(3x+9)
d.(6x-9)(6x-9)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
36x2 - 81 = (6x-9)(6x+9)
correct
F First terms
O Outside terms -54x
I Inside terms 54x
L Last terms

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