Question

Find the zero of xsquare - 4x + 3

Answer 1

Answer:

${x}^{2} - 4x + 3 = 0 \\ \\ {x}^{2} - 3x - x + 3 = 0 \\ \\x(x - 3) - 1(x - 3) = 0 \\ \\ (x - 1)(x - 3) = 0 \\ \\x = 3 \: \: \: \: \: \: \: x = 1$