Question

x-1 is a factor of x3-3x2+7x+b find​

Answer 1

Step-by-step explanation:

1. x=1
2. substitute in the given equation
3. (1)³-3(1)²+7(1)+b=0
4. 5+b=0
5. b=(-5) is the answer
6. I hope this solution will help You✌️☝️

Answer 2

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x=1

substitute in the given equation

(1)³-3(1)²+7(1)+b=0

5+b=0

b=(-5) is the answer

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