SOLUTION: (5y6)(3y) - (y4)(8y3)

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Question 83747: (5y6)(3y) - (y4)(8y3)
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%28%285y%5E6%29%283y%29+-+%28y%5E4%29%288y%5E3%29%29
%28%2815y%5E7%29+-+%288%5E7%29%29[multiply coefficients and exponents; to multiply exponents, add]
.
%287y%5E7%29 [subtract coefficients since the exponents are the same; if the exponents were different, you could not subtract their coefficient]