Factorize: x3– 23x2 + 142x – 120
Answers
Answered by
5
Answer:
We are given
x³+23x²+142x-120
(x³+23x²)+(142x-120)
x²(x+23)+2(71x-60)
(x+23)(71x-60)(x²+2)
Answered by
1
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)
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