Question

helloysyshkxmhsyixn
ckysymxhsruautzkyx​

Answer 1

use that circuled app to solve any maths problem if u want otherwise as u wish

Answer 2

Step-by-step explanation:

(I) x-1=0

x=1

(1)^4+2(1)^3-2(1)^2+2(1)-3

1+2-2+2-3

(1+2)(-2+2)-3

3-3=0

ii) x-3=0

x=3

(3)^3-3(3)^2+4(3)-12

27-27+12-12

=0

iii) x+5

x=-5

(-5)^3+(-5)^2+3(-5)+115

-125-25-15+115

-150+100

=-50