Question

${x}^{2} - 3x + 2$

Answer 1

${x}^{2} - 3x + 2 \\ {x}^{2} - (2 + 1)x + 2 \\ {x}^{2} - 2x - x + 2 \\ x(x - 2) - 1(x - 2) \\ (x - 1)(x - 2)$

Answer 2

Solution:-

=> x² - 3x + 2

=> x² - 2x - x + 2

=> x ( x - 2 ) - 1 ( x - 2 )

=> ( x - 1 ) ( x - 2 )

let,

=> x - 1 = 0 or x - 2 = 0

=> x = 1 or x = 2

i hope it helps you.