Solve the equation for "q" by any method.

Question

q^2-6q=-8

Answer 1

q² - 6q = -8

q² - 6q + 8 = 0

(q - 2)(q - 4) = 0

 

q - 2 = 0

q = 2

 

or 

 

q - 4 = 0

q = 4

 

q ∈ {2, 4}