Question

If (a - 3)x++ (2a + b)x + (b-c) is a zero polynomial, then
a) a =3
b)b=-6
c)c=6
d)c=-6​

Answer 1

Answer:

=(3-3)x+(2.3+(-6)x+(-6+6)

=3x-3x+6x-6x+0

=0+0+0

=0