# Math

posted by .

Did I do this problem right?
Here is what I did:
(x+x)^9+(-2+2)
2x^9+0
Is this correct? If not could you please explain it to me?
Thanks.

• Math -

Right! However, you do not need to include "+0."

## Similar Questions

1. ### math, beginning algebra

how do i solve the following equations. Problem # 1 3x greater than or equal to 2x minus 4 can someone correct number 2 Problem # 2 7(x-3)> 5x-14 7x -21 > 5x -14 7x-5x>-14-21 2x>-35 3x is greater than 2x minus 4. 3x>= …

I am having a hard time understanding recprocial with fractions I would like to find a web site to help me understand this better I have a problem that is need to know if i have done it right the question is find the reciprocial of …
3. ### Math

8*2sq+7*(4+1)= ? Can someone explain to me what to after the parenthesis?
4. ### Math

can you please check this problem for me, and if I happen to get it wrong. explain it?

6. ### Math

Can someone please help with this? I am helping my niece with this problem:7x>_49. Here is what I have: x>_7. The solution is:{x|x>_7}. The graph is: a solid dot on the 7 going to the right. Is this correct?
7. ### Math

Did I do this problem right? Divide. x^2+4x-48/x+8 Here is how I solved this problem: x(x+4)-48/x+8 (x+4)-48/8 (x+4)-6 x+4-6 x=2 Is this correct?
8. ### Math

Could someone please explain this problem to me. I need to factor and check by multiplying. 7x^9y^7+35x^7y^6+35xy= Here is what I got but I don't think that it is right. 7x^9y^7+35x^7y^6+35xy= 7xy(x^8y^6+5x^6y^5+5) Is this correct?
9. ### math

Saying that 4<(sq.root of x)<9 is equivalent to saying what about x ?