Question

a^3 + a^2b + 2ab^2 + 2b^3


factor comun va rog

Answer 1

Răspuns:

${a}^{3} + {a}^{2} b + 2a {b}^{2} + 2 {b}^{3} = \\ = {a}^{2} (a + b) + 2 {b}^{2} (a + b) \\ = (a + b)( {a}^{2} + 2 {b}^{2} )$