Question

factorise:
x³-2x²-x+2​

Answer 1

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

Taking 'x' as common,

${x}^{2} (x - 2) - 1(x - 2)$

$( {x}^{2} - 1)(x - 2)$

$(x - 1)(x - 1)(x - 2)$