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Trinomio al cuadrado perfecto
Aplicas.
a² - 2ab + b² = (a + b)²
36a² - 48a + 16 = 0
6²a² - 2(6a)(4) + 4² = 0
(6a - 4)² = 0 Tiene 2 soluciones reales iguales
(6a - 4)( 6a - 4) =0
6a - 4 = 0
6a = 4
a = 4/6 Simplificas sacas mitad
a = (4/2)/(6/2)
a = 2/3
Respuesta.
a = 2/3
(6a + 4)² <- Esa es la respuesta :3