Algebrahard · Past Paper
Factorize: x^3 - 2x^2 - x + 2
A(x-2)(x-1)(x+1)
B(x+2)(x-1)(x+1)
C(x-2)(x+1)^2
D(x+2)(x-1)^2
✓ Correct Answer: A — (x-2)(x-1)(x+1)
Group as x^2(x-2) - 1(x-2) = (x^2-1)(x-2) = (x-1)(x+1)(x-2).
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✓ Correct Answer: A — (x-2)(x-1)(x+1)
Group as x^2(x-2) - 1(x-2) = (x^2-1)(x-2) = (x-1)(x+1)(x-2).
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