Respuesta :

If you take the square root of x and 49 then you will get that x = 7
irspow
This is a "difference of squares" which is always factored as:

(a^2-b^2)=(a-b)(a+b) in this case:

(x-7)(x+7)  that is what it is factored...

If you meant to solve for when it is equal to zero then there are two solutions:

x=±7  (x=-7 and +7)

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