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

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Place the indicated product in the proper location on the grid. (x + y + 3)(x + y - 4)      Log On


   

Question 621715: Place the indicated product in the proper location on the grid.
(x + y + 3)(x + y - 4)
Answer by solver91311(24713) About Me  (Show Source):
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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

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