Question

B2-b - 12 = 0
What is the answer

Answer 1

b = 4 or -3

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