Question

√(2x-3) - √(x+11) = 0

Answer 1

$\sqrt{2x+3}= \sqrt{x+11}$
$\sqrt{2x+3} - \sqrt{x+11}=0$
$( \sqrt{2x+3} )^{2}= ( \sqrt{x+11} )^{2}$
$2x+3=x+11$
$2x-x=11-3$
$x=8$

Answer 2

√(2x-3)-√(x+11)=0

√2x-3= √x+11
2x-3=x+11
2x-x=11+3
x=14