Question

check whether x-10 is a factor of x³ -23x²+142x-120or not
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Answer 1

Answer:

Friends here is your answer.

Step-by-step explanation:

x

3

−23x

2

+142x−120=0

x=1 is a root of this equation

(Image )

(x−1)(x

2

−22x+120)=0

(x−1)(x

2

−10x−120x+120)=0

(x−1)(x(x−10)−12(x−10))=0

(x−1)(x−12)(x−10)=0

∴x=1,x=12,x=10

solution