Question

(3a-2b)3 somebudy help me ​

Answer 1

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$(3a - 2b) {}^{3} \\ (3a - 2b)(3a - 2b)(3a - 2b) \\3a (3a - 2b) - 2b(3a - 2b) \\ 9 {a}^{2} - 6ab - 6ab + {4b}^{2} \\ = = = = = = = = = = = = = = = = = \\ 3a ( {9a}^{2} - 12ab + {4b}^{2} ) - 2b( {9a}^{2} - 12ab + {4b}^{2} ) \\ {27a}^{3 } - 36 {a}^{2} b + 12ab {}^{2} - 18 {a}^{2} b + 24ab {}^{2} - 8 {b}^{3} \\ {27a}^{3} - 54 {a}^{2} b + 36 {ab }^{2} - 8b {}^{3}$