SOLUTION: Please help me!!!! I need to know the factfor of 32a^4b - 50b^3 A)4a^2 - 5b B)4a - 5b^2 C)4a + 5b^2 D)4a^2 + 5b^2 Please show me how you figured this out...thanks

Algebra ->  Algebra  -> Functions -> SOLUTION: Please help me!!!! I need to know the factfor of 32a^4b - 50b^3 A)4a^2 - 5b B)4a - 5b^2 C)4a + 5b^2 D)4a^2 + 5b^2 Please show me how you figured this out...thanks       Log On

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Question 36400: Please help me!!!!
I need to know the factfor of
32a^4b - 50b^3
A)4a^2 - 5b
B)4a - 5b^2
C)4a + 5b^2
D)4a^2 + 5b^2
Please show me how you figured this out...thanks

Answer by Prithwis(166) About Me  (Show Source):
You can put this solution on YOUR website!
32a^4b - 50b^3
= 2b(16a^4-25b^2) = 2b(4a^2-5b)(4a^2+5b)
Answer would be A