19-11-2020
Mathematics

contestada

b2-b - 12 = 0
What is the answer

Respuesta :

mrseercalf mrseercalf

19-11-2020

Answer:

b = 4 or -3

Step-by-step explanation:

You mean this?;

b² - b - 12 = 0

Using quadratic formula (attached):

b = (1 ± (1 + 48)^1/2) ÷ 2 = (1 ± 7) ÷ 2 = 4 or -3

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