Math, asked by sunitaraj994, 3 months ago

factorise x^3-23x^2+142x-120​

Answers

Answered by Anonymous
1

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Answered by rajkmr669
0

Answer:

x  

3

−23x  

2

+142x−120

=x  

3

−x  

2

−22x  

2

+22x+120x−120

=x  

2

(x−1)−22x(x−1)+120(x−1)

=(x−1)(x  

2

−22x+120)

=(x−1)[x  

2

−10x−12x+120]

=(x−1)[x(x−10)−12(x−10)]

=(x−1)(x−10)(x−12)

Step-by-step explanation:

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