zaylex569 zaylex569

08-12-2020
Mathematics

contestada

n²-6n-7=0 what do i do?

Respuesta :

GilliamKathren GilliamKathren

08-12-2020

Answer:

x = 7 and - 1

Step-by-step explanation:

f(x) = (x - 7) (x + 1)

x - 7 = 0

x - 7 + 7 = 0 + 7

x = 7

x + 1 = 0

x + 1 - 1 = 0 - 1

x = - 1

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