Monday

April 21, 2014

April 21, 2014

Posted by **Mary** on Friday, April 29, 2011 at 6:11pm.

(4x^2+2x-4) - (x^2-5x-4)=

I came up with 3x^2+7 is my answer correct?

- algebra -
**MathMate**, Friday, April 29, 2011 at 6:17pmThe first term 3x² is correct.

The next term should be

2x-(-5x)=7x

The third term is -4-(-4)=0 (as you had it)

So the answer is 3x²+7x.

You were close.

- algebra -
**Mary**, Friday, April 29, 2011 at 6:23pmThank you math mate

- algebra :) -
**MathMate**, Friday, April 29, 2011 at 6:33pmYou're welcome!

**Related Questions**

Math - Can someone please check my answers below for accurateness? The ...

Algebra - Can someone check my algebra answers and help me with the problems I ...

math,help,correction - directions: subtract 4x-2x^2+4x^3 from 4x^3+x-3x^2 the ...

math,correction - can someone correct these for me i'll appreciate it thank. ...

bobpursley,math - about this problem , I figured it out and i did get the answer...

Intermediate Algebra - Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^...

Math/Algebra - Find each sum or difference (3x^2 + 7x- 2)+ (2x^2 - 3x + 4) ...

math,bobpursly, - 4x-2x^2+4x^3 from 4x^3+x-3x^2 4x^3+x-3x^2 -( 4x-2x^2+4x^3) ...

math - Please check. (-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9) Answer: -2m^2n+5mn...

math - Please check. (-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9) Answer: -2m^2n+5mn...