factorise x^3-3x^2-x+3
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Group: (x^3 - 3x^2) - (x-3)
Take out common factors: x^2(x-3) - (x-3)
Factor out common term: (x^2-1)(x-3)
Difference of squares: (x-1)(x+1)(x-3)
Take out common factors: x^2(x-3) - (x-3)
Factor out common term: (x^2-1)(x-3)
Difference of squares: (x-1)(x+1)(x-3)
satyamanand:
good keep it up
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