1. Factorise x3 – 23x2 + 142x – 120.
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Answered by
3
Answer:
Factorise x 3 −23x 2 +142x−120
Step-by-step explanation:
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)
Answered by
4
Step-by-step explanation:
Nikhil kaise ho ache he hoge.
Dp change kroಠ_ಠ
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