Question

answer plz I'll mark as brainlest... ​

Answer 1

we should do substitution method..

x-2=0

x=2

now

3x^3-13x^2+8x+12                                          putting the value of x=2

3*2^3-13*2^2+18*2+12

3*8-13*4+36+12

24-56+36+12

72-56

16

hope it helps u follow me and mark it as brainlist if u love it....