Question

Show that (x-2) is a factor of polynomial f(x)=2x^3-3x^2-17

Answer 1

zero of x - 2 is 2

f(x) = 2x^3 - 3x^2 - 17

f(2) = 2×2^3 - 3×2^2 -17
=16-12-17
=16- 29
= -13
it is not factor.....

Answer 2

Zero of x-2=0
f(x)= 2x^3 -3x^2-17
f(2)= 2x2 ^3 - 3x2^2 -17
16-12-17
= 16-29
-13.