SOLUTION: factor 3a^2(a-b)-6a(a-b)+21(a-b) A) 3(a-b)(a^2-2a+7) B) (3a-b)(a^2-2a+7) C) (a-b)(3a^2-6a+21) D) 3(a-b)(a^2-6a+21)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: factor 3a^2(a-b)-6a(a-b)+21(a-b) A) 3(a-b)(a^2-2a+7) B) (3a-b)(a^2-2a+7) C) (a-b)(3a^2-6a+21) D) 3(a-b)(a^2-6a+21)      Log On


   

Question 85273: factor 3a^2(a-b)-6a(a-b)+21(a-b)
A) 3(a-b)(a^2-2a+7)
B) (3a-b)(a^2-2a+7)
C) (a-b)(3a^2-6a+21)
D) 3(a-b)(a^2-6a+21)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
factor 3a^2(a-b)-6a(a-b)+21(a-b)
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= 3(a-b)(a^2-2a+21)
Cheers,
Stan H.