Answer:
3x^2-x+9
Step-by-step explanation:
Combine like terms.
3x^2 is the only one with x^anything so it stays alone.
4x-5x=-1x or -x. so so farm we have...
3x^2-x.
then just add 3 to 6. the answer is 9. insert the positive 9 into the equation...
3x^2-x+9.
that is the simplified version of the problem.
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