SOLUTION: Simplify: 4[12-3(8-5)]-1 also can you help me solve this one as well 5x2-9 from 7x2-x+1

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Question 244085: Simplify: 4[12-3(8-5)]-1
also can you help me solve this one as well 5x2-9 from 7x2-x+1
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4[12-3(8-5)]-1
4[12-3*3]-1
4[12-9]-1
4*3-1
12-1=11 ans.
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also can you help me solve this one as well 5x2-9 from 7x2-x+1
If you're subtracting?
7x^2-x+1
-(5x^2-9)
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2x^2-x+10 ans.