SOLUTION: Hello :) Please simplify the expression: 9-3(-4+3x)+12x Thanks!

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Question 166925: Hello :) Please simplify the expression: 9-3(-4+3x)+12x
Thanks!
Found 2 solutions by checkley77, nerdybill:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
9-3(-4+3x)+12x
9+12-9x+12x
3x+21
3(x+7) answer.

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
9-3(-4+3x)+12x
= 9+12-9x+12x
= 21-9x+12x
= 21+3x
.
Or, you could factor out a 3 to get:
3(7+x)