Question

Radical( 2x+3) la puterea2 =5

Answer 1

$\displaystyle \sqrt{(2x+3)^2} =5 \\ |2x+3|=5 \\ 2x+3=5 \\ 2x=5-3 \\ 2x=2 \\ x= \frac{2}{2} \\ x=1 \\ 2x+3=-5 \\ 2x=-5-3 \\ 2x=-8 \\ x=- \frac{8}{2} \\ x=-4$