Question

Find the value of a, if x - a is a factor of x3 - a²x + x + 2​

Answer 1

Answer:

a = -2

Step-by-step explanation:

x-a=0

x=0+a

x=a

p(x)=x³-a²x+x+2

p(a)=a³-a²a+a+2

      =a³-a³+a+2

      =a+2

a+2=0

a=-2

Answer 2

Answer:

Step-by-step explanation:

X - a = 0

X = 0 + a

X = a

P of a ; a^3 – a^3 + a +2

P of a ; 0 + a + 2

P of a ; a + 2

Then,

P of a = 0

a + 2 = 0

a = 0 – 2

a = – 2

This is your answer