Question

X^2-2x-1. Solve it by splitting the middle term

Answer 1

Answer:

$X^2-2x + 1 = 0 \\ x {}^{2} - x - x + 1 = 0\\ x(x - 1) - 1(x - 1) = 0 \\ (x - 1)(x - 1) = 0 \\ x = 1$