Question

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

Answer 1

x=1/8(67+ sqroot393

Answer 2

is the left side of the equation square root of (3x+16) or is it (3x+16)^2 ?

Answer 3

left side is sqrt(3x+16)

Answer 4

Yes

Answer 5

if thats the case then you'll have to solve the radical equation by squaring both sides to get
3x+16=x^2+4x+4. getting this in standard form gives
x^2+x-15=0. this cannot be solved by factoring so you'll have to use the quadratic formula or complete the square...