Question 131443
(2Y-3)^3 USING A LONG MULTIPLICATION METHOD WE GET
2Y-3
2Y-3 MULTIPLY
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4Y^2-6Y-6Y+9 COMBINE LIKE TERMS
4Y^2-12Y+9
2Y-3 MULTIPLY
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8Y^3-24Y^2+18Y-12Y^2+36Y-27 NOW COMBINE LIKE TERMS
8Y^3-36Y^2+54Y-27 ANSWER.