Question

x+4\x-4+x-4\x+4 find the va
ue of x
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Answer 1

Hope this will be helpful to you...☺

Answer 2

Answer:

x =√-16

Step-by-step explanation:

$\frac{x + 4}{x - 4} + \frac{x - 4}{x + 4} \\ \frac{(x + 4)(x + 4) + (x - 4)(x - 4)}{(x - 4)(x + 4)} \\ \frac{(x {}^{2} + 4x + 4x + 16) + ( {x}^{2} - 4x - 4x + 16) }{ {x}^{2} - 16 } \\ \frac{2 {x}^{2} + 32 }{ {x}^{2} - 16 } \\ \frac{2( {x}^{2} + 16) }{ {x}^{2} - 16 } = 0 \\ 2( {x}^{2} + 16) = 0 \\ {x}^{2} + 16 = 0 \\ {x}^{2} = - 16 \\ x = \sqrt{ - 16}$

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