(a+b+c)^2 = a^2 + b^2 + c^2 + 2 (ab+ac +bc)
Binomio al Cuadrado:
(a + b)2 = a2 + 2 · a · b + b2.
Ejemplo:
(x + 3)2 = x 2 + 2 · x ·3 + 3 2 = x 2 + 6 x + 9
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(a+b+c)^2 = a^2 + b^2 + c^2 + 2 (ab+ac +bc)
Binomio al Cuadrado:
(a + b)2 = a2 + 2 · a · b + b2.
Ejemplo:
(x + 3)2 = x 2 + 2 · x ·3 + 3 2 = x 2 + 6 x + 9