Question

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

Answer 1

x=-2

hope it helps....

Answer 2

Answer:

a = - 2

Step-by-step explanation:

f(x) = x - a

x - a = 0

x = a

p(x) = x³ - a²x + x + 2

x³ - a²x + x + 2 = 0

a³ - a²a + a + 2 = 0

a³ - a³ + a + 2 = 0

a + 2 = 0

a = - 2

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