Question

What is the solution set of (x - 2)(x - 3) = 2? {1, 4} {2, 3} {4, 5}

Answer 1

(x - 2)(x - 3) = 2? {1, 4} {2, 3} {4, 5}

(1,4)

A

Answer 2

(x - 2)(x - 3) = 2

x^2 - 2x - 3x + 6 - 2 = 0
x^2 - 5x + 4 = 0
(x -4)(x - 1) = 0
x - 4 = 0; x = 4
x - 1 = 0; x =1

{1,4}

answer
{1, 4}