Posted by katelynn on Monday, February 13, 2012 at 6:00pm.
not quite, you forgot the b part
1st term ---- 8a^4 b^3
etc.
2a^2b^3(4a^2+3ab^2-ab)
= 2a^2b^3*4a^2
+ 2a^2b^3*3ab^2
- 2a^2b^3*ab
= 8a^4b^3 + 6a^3b^5 - 2a^3b^4
i dont know whats after that i got +6a^3b^5-2a^3b^4. is it right?
ty
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