Question

factorise the polynomial x²-4x+3​

Answer 1

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