(3-y^2)(y-4) помогите упростить

Question

(3-y^2)(y-4)
помогите упростить

Answer 1

= 3у - 12 - у^3 + 4y^2 = 3y + 4y^2 - y^3 - 12
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Answer 2

3у-12-у^3+4у^2=3у+4у^2-у^3-12