SOLUTION: Factor {{{3a^2(a-b)-6a(a-b)+21(a-b)}}}

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Question 94485: Factor 3a%5E2%28a-b%29-6a%28a-b%29%2B21%28a-b%29
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
3A^2(A-B)-6A(A-B)+21(A-B)
(3A^2-6A+21)(A-B) TOSOLVE THE QUADRATIC EQUATION (3A^2-6A+21) YOU NEED TO USE THE QUADRATIC FORMULA: x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+