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¿como se factoriza 12m²+m-6=0?paso por paso ?
1 Answer
- H EATLv 71 decade agoFavorite Answer
Como se trata de una ecuación de segundo grado, hay que encontrar las ríaces que la anulan. Para ello usando la fórmula x = [-b±√b²-4ac)]/2a, se tiene
x = {-1 ± √[1² - 4 . 12 (- 6)]} / 2 . 12
x = [-1 ± √(1 + 288)] / 24
x = (-1 ± √289) / 24
x = (-1 ± 17) / 24
Ahora quedan las dos raíces
x1 = (-1 + 17) / 24 = 16/24 = 2/3
x2 = (-1 - 17) / 24 = -18/24 = -3/4
Ahora se fuede factorizar poniendo
12m² + m - 6 = (m - 2/3) (m + 3/4)
Saludos.