Solve the radical equation Check all proposed solutions Squa
Solution
(Sqrt x) +8=x+2
Sqrt x = x-6
Squaring both sides
x=(x-6)2
x=x2-12x+36
x2-13x+36=0
(x-4)(x-9)=0
x=4,9
Checking the solutions
Sqrt 4 +8= 4+2
2+8=4+2
10=6 which is not true.
Sqrt 9 + 8= 9+2
11=11 which is true. Hence the correct solution is x=9

