Question

Find the value of a if x + a is a factor of x4
– a
2
x
2
+ 3x – a

Answer 1

Answer:

p(-a) =(-a) ^2(-a)^2+3(-a) -a

0=a^4-a^(2+2) -3a-a

0=a^4-a^4-3a-a

0/-4=-4a/-4

0=a

so the answer will be 0.