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(5+X / 5- X ) - (5-x / 5+X ) = 15/4
(5+x) (-5 +x) / (5 - x) (5 +x) = 15/4
-25 + 5x + -5 x + x² / 25 - x² = 15/4
-25 + x² / 25 - x² = 15/4
-100 + 4x² = 375 - 15x²
19x² = 475
x² = 25
x = √25
x = 5
this is your answer..
(5+x) (-5 +x) / (5 - x) (5 +x) = 15/4
-25 + 5x + -5 x + x² / 25 - x² = 15/4
-25 + x² / 25 - x² = 15/4
-100 + 4x² = 375 - 15x²
19x² = 475
x² = 25
x = √25
x = 5
this is your answer..
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