Homework Help: math

Posted by robert on Thursday, January 31, 2008 at 8:59pm.

Factor (15a squared bc squared -9a squared b to the fourth c) by finding the gcf.

I think the answer is 3abc(5ac-3ab3). I got it because I found the gcf of the coefficents which are 3. I subtracted one from each exponent so, i canceled b from 15a squared bc squared and c from-9a squared b to the fourth c. Am I right?

math - Damon, Thursday, January 31, 2008 at 9:18pm
15 a^2 b c^2 - 9 a^2 b^4 c

= 3 a^2 b c ( 5 c - 3 b^3)
math - bobpursley, Thursday, January 31, 2008 at 9:21pm
No. or Almost. YOu have another a you can pull out as a common factor

3a^2*bc is the gcf.

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