sqrt root of x+2=3
need help
sqrt(x+2)=3
square both sides to get:
(x+2)=9
x=9-2=7
Substitute x=7 into the original equation to make sure that the answer is correct:
sqrt(7+2)=sqrt(9)=3 OK
need help
square both sides to get:
(x+2)=9
x=9-2=7
Substitute x=7 into the original equation to make sure that the answer is correct:
sqrt(7+2)=sqrt(9)=3 OK