Question

radical din x^2-3 (aici se termina rad)-x=-1

Answer 1

$\sqrt{ x^{2} -3}-x=- 1 \\ \sqrt{ x^{2} -3}=x-1;x \geq 1 \\ x^{2} -3= x^{2} -2x+1 \\ 2x=4 \\ x=2$