Question

Factorisation x cube minus 2x square minus x + 2

Answer 1

Answer:

x³ - 2x² - x + 2

=> x²(x - 2) - 1(x - 2)

=> (x - 2)(x² - 1)

=> (x - 2){(x)² - (1)²}

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

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