how to do (b)

[sly creek]

(a)k is -12 Here is the reason. x-1 is the factor of x2+x-2, so the remainder by x-1 equals to remainder of kx-4 divided by x-1.

(b) Denote p(x)=(x2+x-2)q(x)-12x-4. Cause p(2)=0 thus q(2)=7, also p(3)=60 indicates q(3)=10

[zenith kindle]

Ok thanks