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El cubo de un binomio.
Aplicas.
(a + b)³ =
a³ + 3a²b + 3ab² + b³
(2x + 3y)³ =
(2x)³ + 3(2x)²(3y) + 3(2x)(3y)² + (3y)³ =
2³x³ + 3(2²x²)(3y) + 6x(3²y²) + 3³y³ =
8x³ + 9y(4x²) + 6x(9y²) + 27y³
8x³ + 36x²y + 54xy² + 27y³