Question

$x^3 - 2 x^2 - x + 2$
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Answer 1

Step-by-step explanation:

what is the qn dude for x³-2x²-x+2

pls mention =)

Answer 2

Answer:

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