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January 28, 2015

January 28, 2015

Posted by **raluca** on Thursday, October 27, 2011 at 8:26pm.

7y-3y-x^2+4x^2

how do i add x^2 to 4x^2?

what will the result be?

i know that 2x^2-x^2 = x^2....but not how to do the above

- math -
**Damon**, Thursday, October 27, 2011 at 8:35pm4 x^2 - 1 x^2 = 3 x^2

7 y - 3 y = 4 y

so

3 x^2 + 4 y

- math -
**raluca**, Thursday, October 27, 2011 at 8:44pmomg! thank you! i get it now! :D

- math -
**Damon**, Thursday, October 27, 2011 at 8:47pmGood ! You are welcome.

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