Question

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Answer 1

Answer:

$\frac{ {x}^{2} - 9 }{5 + {x}^{2} } = \frac{ - 5}{9} \\ 9( {x}^{2} - 9) = - 5( 5 + {x}^{2} ) \\ 9 {x}^{2} - 81 = - 25 - 5 {x}^{2} \\ 9 {x}^{2} + 5 {x}^{2} = 81 - 25 \\ 14 {x}^{2} = 56 \\ {x}^{2} = \frac{56}{14} \\ {x}^{2} = 4 \\ x = \sqrt{4 } \\ x = 2$

hope fully this may help you!!!!