SOLUTION: combine like terms 7Z-3Z^2+9Z

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Question 23865: combine like terms
7Z-3Z^2+9Z
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
7Z-3Z^2+9Z
First put the equation in correct order;
-3z%5E2+9z+7z
Now add together the terms that are exactly alike;
9z+7z=16z
you can not add -3z%5E2 to them because it is not the same:
so you end with;
-3z%5E2+16z
Hope you understand
=)