Question

X2 – 6x + 8 = 0 is x = 2. What is the other solution?

Answer 1

x₁ = 4

x₂ = 2

Explanation:

x² - 6x + 8 = 0

x² - 2x - 4x + 8 = 0

x(x - 2) - 4(x - 2) = 0

(x - 4)(x - 2) = 0

x - 4 = 0 => x₁ = 4

x - 2 = 0 => x₂ = 2