Posted by **jas20** on Friday, February 23, 2007 at 8:45pm.

4x-2x^2+4x^3 from 4x^3+x-3x^2

4x^3+x-3x^2

-( 4x-2x^2+4x^3)

then changing signs and rearranging terms.

4x^3+x-3x^2

-4x^3-4x+2x^2

answer after ADDING the above..

-3x - x^2

so for the answer isn't it the same as what i had

-x^2-3x doesnt' x^2 goes first then -3x

## Answer this Question

## Related Questions

- bobpursley,math - about this problem , I figured it out and i did get the answer...
- Grammar - He had HepB at 1 day of age at 8 weeks he had HepB, DTap, Hib, IPV, ...
- i need help asap! please. :) - ok, can somebody explain how to do this? simplify...
- physics - Doing work on a gas always implies Answer a. adding internal energy. b...
- math - how do you add and subtract + and - numbers? Is there a rule? Yes. The ...
- Math...Applying the Order of Operations - Can you please show me where i'm going...
- Math - (4b^4+2) - (7b^2-5) - (6b^4-2b^2) How do you exactly solve/simplify this...
- Math - I have the following problem to solve and I am not sure if I have the ...
- bobpursly - Ok so I am still coming up with problems is it possible for ...
- Calculus - Consider an infinite series of the form (+-)3(+-)1(+-)1/3(+-)1/9(+-)1...