Sunday

December 21, 2014

December 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!

**Answer this Question**

**Related Questions**

Math - I have three math problems that I have tried to solve but I do not think ...

Algebra 2 - 1. Solve the following for x. 3-(x+(-4))= 2x-6+5x I figured that the...

Algebra - I was given this answers to a problems I solved but I do not ...

Algebra - I was given this answers to a problems I solved but I do not ...

algebra - SOLVE A=bh for b I came up with b= A/h Am I correct?

algebra - Can someone let me know if I hve the correct answer? Divide and ...

algebra - Solve the following system of equations: x + 2y - z = 2 -3x + y + z...

Algebra - Solve using the appropriate method. 0.05x+0.25y=66 0.15x+0.05y=72 I ...

Mathematics - s=a+b+c/2 solve for b the correct answer is b=2s-a-c I would like...

CHEMISTRY - I am having trouble understanding how to come up with the products ...