Question

√11x+3(all rooted)-2x=0

Answer 1

\[\sqrt{11x+3}=2x\]
\[11x+3=4x^2\]
\[4x^2-11x-3=0\]
\[(4x+1)(x-3)=0\]
\[x=3\]
\[x=-\frac{1}{4}\]

Answer 2

gotta check though!

Answer 3

\[\sqrt{11\times 3+3}=2\times 3\]
\[\sqrt{36}=6\]
this one checks

Answer 4

next one doesnt work so only 6