SOLUTION: Simplify
(5y^3-8y^2-32y+21)/(y^2-y-7)
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Question 3435: Simplify
(5y^3-8y^2-32y+21)/(y^2-y-7)
Answer by drglass(89) (Show Source): You can put this solution on YOUR website!
The average of three numbers is the sum of the numbers divided by 3. Let the numbers be X, Y and Z, then
.
multiply both sides by 3 to get .
subtract Y and Z from both sides to get
The remaining number X is 3V- Y - Z
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