What are the solution(s) of x2-4-0?
of
x=-4 or x = 4
o x=-2 or x = 2
ox=2
o x=4
o

For , x  = 2, or x = - 2.

Step-by-step explanation:

Here, the given expression is :

Now, using the ALGEBRAIC IDENTITY:

Comparing this with the above expression, we get

⇒Either (x-2) = 0 , or ( x + 2) = 0

So, if ( x- 2)   = 0 ⇒ x =  2

and if ( x + 2) = 0   ⇒ x = -2

Hence, for , x  = 2, or x = - 2.

Step-by-step explanation:

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