SOLUTION: multiplying polynomials (x-y)(2x+2y-1) can u help me?

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Question 82296: multiplying polynomials
(x-y)(2x+2y-1)
can u help me?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
2X+2Y-1
X-Y MULTIPLY EACH TERM IN THE SECOND EQ. BY EACH TERM IN THE FIRST EQ.
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2X^2+2XY-X-2XY-2Y^2+Y NOW COMBINE LIKE TERMS.
2X^2-X+Y-2Y^2 (NOTE: THE +2XY-2XY TERMS CANCEL OUT)