solve (x-1)(x-2)(x-3) in easy method
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(x-1) ( x^2 - 3x - 2x + 6)
= (x-1) ( x^2 - 5x + 6 )
= x^3 - 5x^2 + 6x - x^2 + 5x - 6
= x^3 - 6x^2 + 11x - 6
= (x-1) ( x^2 - 5x + 6 )
= x^3 - 5x^2 + 6x - x^2 + 5x - 6
= x^3 - 6x^2 + 11x - 6
Answered by
1
(x-1)(x-2)(x-3)
x(x-2)-1(x-2)(x-3)
x^2-2x-x+2(x-3)
x^2-3x+2(x-3)
x(x^2-3x+2)-3(x^2-3x+2)
x^3-3x^2+2x-3x^2+9x-6
x^3-6x^2+11x-6
x(x-2)-1(x-2)(x-3)
x^2-2x-x+2(x-3)
x^2-3x+2(x-3)
x(x^2-3x+2)-3(x^2-3x+2)
x^3-3x^2+2x-3x^2+9x-6
x^3-6x^2+11x-6
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