Question

if (x-2)is a factor of x²-ax+4,then the value of 'a' is​

Answer 1

Answer:

x=2

4-2a+4=0

8=2a

4=a is the value

Answer 2

Answer:

a=4

Explanation:

x-2=0

x=2

p(x) =x²-ax+4

p(2)=(2)²-a(2)+4

4-2a+4=0

8-2a=0

-2a=-8

a=-8/-2

a=4