Question

if x-a is a factor of x^3-3x^2a+2a^2x+b. find the value of b​

Answer 1

Answer:

x-a=0

x=a

now put the value of x=a in the x³ - 3x²a+2a²x+b

(a)³-3(a)²a+2a²(a)+b

a³-3a³+2a³+b

now

a³-3a³+2a³=b

a³-a³=b

b=0 answer

Step-by-step explanation:

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