SOLUTION: HOW DO WE Expand and simplify: (7x – 2y)(3x + 7y -9).

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Question 955228: HOW DO WE Expand and simplify: (7x – 2y)(3x + 7y -9).
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Expand and simplify: (7x – 2y)(3x + 7y -9).
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7x(3x+7y-9) -2y(3x+7y-9)
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= 21x^2 + 49xy-63x -6xy-14y^2+18y
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= 21x^2 + 43xy -63x -14y^2 + 18y
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Cheers,
Stan H.
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