SOLUTION: Place the indicated product in the proper location on the grid. (x + y + 3)(x + y - 4)

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Question 621715: Place the indicated product in the proper location on the grid.
(x + y + 3)(x + y - 4)

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


The trick to not making errors on this one is to use a little substitution. Let .

Then multiply

Once you have that product, put back in place of , remembering that will be equal to . Finally, collect any like terms. Be careful with your signs.

John

My calculator said it, I believe it, that settles it
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