Answers

2016-02-06T19:07:18+05:30
√2+√x=3
√x=3-√2
x= (3-√2)^{2}
x=9+2-6√2
x=11-6√2
0
thats 3-root 2 the whole square in the third line
yes its clear
2016-02-07T19:37:12+05:30