Question

helpp ?? √x+2+4=x

Answer 1

x+2 is under the squareroot?

Answer 2

sqrt(x+2)=x-4 squared both sides
x+2=x2 -8x+16
x2 -9x +14 =0
(x-7)(x-2)=0
x1 = 7
x2 = 2

Answer 3

ok ?

Answer 4

right ?

Answer 5

yeah x+2 is under the square rooot

Answer 6

Then jhonny got it right =)

Answer 7

\[x=2\quad\mbox{isn't solution of this equation,only }\quad x=7\]