Question

factorise x3 -23x2 +142x -120

Answer 1

x3 - x2- 22x2+22x+120x-120


x2 (x-1) -22x(x-1) +120 (x-1)


(x2-22x+120)(x-1)


(x2-12x-10x+120)(x-1)


{x (x-12)-10 (x-12)}(x-1)


(x-10)(x-12)(x-1)


heya user it is ur answer hope it helps



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Answer 2

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