Question

If (x-2) is a factor of x^2+ax+b and x^2+cx+d then b-d/c-a =

Answer 1

Answer:

x=2

substitute the value in equation

2^2+2a+b=0

4+2a+b=0

2(2+a)+b=0

2+a+b=0

a+b=-2

second equation

x^2+cx+d=0

2^2+2c+d=0

4+2c+d=0

c+d=-2 a=a,b=a+2,c=c,d=c+2

a+2-c+2/c-a

a-c+4/c-a