Question

the solution set sqrt3x+16=x+2 is (only 3x+16 is squared)

Answer 1

\[\sqrt{3x+16}=x+2\]??

Answer 2

square both sides get
\[3x+16=x^2+4x+4\] then solve
\[x^2+x-12=0\]
\[(x-3)(x+4)=0\]
\[x=3\] or
\[x=-4\] then check the answers because only one will work