Factorise x3 – 23x² + 142x - 120
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Answered by
3
Answer:
Factorization
Step-by-step explanation:
X3 - 23x2+142x-120
Answered by
4
Answer:
x 3 −23x +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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