Kindly take my question seriously we know
if
X = Y
then
X^2 = Y^2 and vice versa
then....solve this question
X+8= X.
if we do it the way i did...
(X+8)^2 = X^2
X^2 + 64 + 16X = X^2
-16X = 64
X = -4
BUT
putting X =-4 In X +8=X
THEN 4 =-4. (HOW)
......
NOW TELL ME HOW TO SOLVE THE ABOVE EQUATION.....
ALSO PLEASE SOLVE
(X - 4)^2 = (X + 4)^2
[NOT BY USING IDENTITY, (A + B)^2=A^2+B^2+2AB ]
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