Posted by
**raluca** on
.

simplify:

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

Thursday

March 30, 2017
Posted by
**raluca** on
.

simplify:

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

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