SOLUTION: what meathod do i use b/c i dont get it. (-5a^2)(-2ab^4)

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Question 143125: what meathod do i use b/c i dont get it.
(-5a^2)(-2ab^4)

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
-5a^2
-2ab^4 now multiply
-----------------------
10a^3b^4

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