factorise x³-23x³+142x-120
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Answered by
2
Answer:
Answer: −22x3+142x+−120.
Let's simplify step-by-step.
x3−23x3+142x−120
=x3+−23x3+142x+−120
Combine Like Terms:
=x3+−23x3+142x+−120
=(x3+−23x3)+(142x)+(−120)
=−22x3+142x+−120
Answered by
0
Step-by-step explanation:
x3−23x2+142x−120
=x3−x2−22x2+22x+120x−120
=x2 (x−1)−22x(x−1)+120(x−1)
=(x−1)(x2−22x+120)
=(x−1)[x2−10x−12x+120]
=(x−1)[x(x−10)−12(x−10)]
=(x−1)(x−10)(x−12)
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