Math, asked by arajhanspamldl, 1 year ago

8(2a+3b)^3-12(2a+3b)^2

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Answered by tricki

2

8(8a^3+36a^2b+54b^2a+27b^3)-12(4a^2+12ab+9b^2)
64a^3+288a^2b+432b^2a+216b^3-48a^2-144ab-108b^2

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