7x+1 - x^2+3x-8

i got x^2-4x+9 but my teacher said it was wronge. how do I correctly solve this problem?

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- March 25th 2008, 10:47 AMimbadatmathsubtracting polynomials
7x+1 - x^2+3x-8

i got x^2-4x+9 but my teacher said it was wronge. how do I correctly solve this problem? - March 25th 2008, 11:06 AMMoo
Hello,

Where did the - go for x² ? - March 25th 2008, 11:28 AMimbadatmath
I am not sure why would the x^2 be negative i am so lost

- March 25th 2008, 11:41 AMmathceleb
- March 25th 2008, 11:45 AMimbadatmath
there where only 2 polnomials 7x+1 minus x^2+3x-8

- March 25th 2008, 11:47 AMmathceleb
- March 25th 2008, 12:05 PMimbadatmath
thanks alot