Q. 135.0( 3 Votes )

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Answer :



we know that,


Applying the formula we get,




(x - 3)(x + 4) + (x + 3)(x - 4) = (x - 4)(x + 4) - (x - 3)(x + 3)


(x+ x - 12) + (x- x - 12) = (x- 16) - (x- 9)


2x- 24 = - 7


x2 = 17/2



Clearly, both the values of x satisfies the given equation.

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