Question

factorise x³-23x²+142x-120​

Answer 1

Answer:

This is the answer

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Answer 2

Answer:

Let p(x) = x³-23x²+142x-120

p(x)=(x-1)

x³-23x²+142x-120

x-1

=x²-22x+20

•x²-12x-10x+120

•x(x-2) -10x(x-12)

•(x-12) (x-10)

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