square root of X + 3 =12
square both sides
sqrt(x+3)=12
x+3=144
or if it is meant to be
sqrtx + 3=12
sqrtx=9
then square both sides.
I don't know which you meant.
sqrt(x+3)=12
x+3=144
or if it is meant to be
sqrtx + 3=12
sqrtx=9
then square both sides.
I don't know which you meant.