Question

Find the value of a, if x-a is a factor of 2x^3– 2ax^2 +5x +a +6​​

Answer 1

Answer:

-1

Step-by-step explanation:

x-a =0

x=a

f(x)=2x^3-2ax^2+5x+a+6

f(a) = 2(a)^3-2a(a)^2+5(a)+a+6

0= 2a^3-2a^3+5a+a+6

0= 5a+a+6

0= 6a+6

-6=6a

a= -6/6

a= -1

Answer 2

Step-by-step explanation:

hope this may help