SOLUTION: Please someone help so that I can learn to complete the next one on my own. Thanks! Simplify. Please show all of your work. -12c + 6c2 – 9c3 + 3(7c + 8c2 – 2c3)

Algebra ->  Expressions -> SOLUTION: Please someone help so that I can learn to complete the next one on my own. Thanks! Simplify. Please show all of your work. -12c + 6c2 – 9c3 + 3(7c + 8c2 – 2c3)       Log On


   

Question 468866: Please someone help so that I can learn to complete the next one on my own. Thanks!
Simplify. Please show all of your work.
-12c + 6c2 – 9c3 + 3(7c + 8c2 – 2c3)

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
-12c+6c^2-9c^3+21c+24c^2-6c^3
combine like terms
-15c^3+30c^2+9c