Mathematics
tkaye
18

expand and simplify the following expression: [latex](a-2b){3}[/latex]

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(1) Answers
lyssie11234

[latex](x-y)^3=x^3-3x^2y+3xy^2-y^3\\--------------------------\\(a-2b)^3=a^3-3a^2\cdot2b+3a\cdot(2b)^2-(2b)^3\\\\=a^3-6a^2b+12ab^2-8b^3[/latex]

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