SOLUTION: Trying to complete hw with my child (5x2 +4x -7) + (-5x2-4x+7) the 2s are squared. Unsure what to do with the negative sign and the different signs of the x.

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Question 496896: Trying to complete hw with my child
(5x2 +4x -7) + (-5x2-4x+7)
the 2s are squared. Unsure what to do with the negative sign and the different signs of the x.

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!

Since it's plus, you can remove the parentheses.
=
= 0

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