Question

Which of the following is a zero of the polynomial x2 -5x + 6?​

Answer 1

Answer:

$x{}^{2} - 5x + 6 = 0 \\ = > x {}^{2} - 2x - 3x + 6 = 0 \\ = > x(x - 2) - 3(x - 2) = 0 \\ = > (x - 3)(x - 2) = 0 \\ = > x = 2 \\ x = 3$