Question

Radical mare din (x+1)^2=5
^= la puterea

Answer 1

[tex]\sqrt{(x+1)^2}=5\;\Leftrightarrow\;|x+1|=5\;adica:\;\\ +(x+1)=5\;\rightarrow\;x=4\;si\\ -(x+1)=5\;\rightarrow\;-x-1=5\;adica\;x=-6\;;[/tex]

Answer 2

[tex]\sqrt{(x+1)^{2}}=5\\Doar:\sqrt{25}=5\\(x+1)^{2}=25\\x^{2}+2x-24=0\\ (x+6)(x-4)=0\\x+6=0\\x=-6\\x-4=0\\x=4[/tex]