No.11421792 ViewReplyOriginalReport
(x+3)^2 = 100
(x^2+9) = 100
9-100 , 100-100
(x^2-91)=0
(x*x-91)=0
x-x, 0-x
(x-91)=0-x
45.5-91=0-45.5
x = 45.5
Prove that this is wrong