(3-x^2)/(8+x^2)=-3/4
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10
Answer: x=2√3
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Answer:
(3-x²)/(8+x²)=-3/4
3-x² = -3/4(8+x²)
3 - x² = - 6 - 3/4x²
6 + 3 = x² - 3/4x²
9 = 4x² - 3x²/4
9×4 = x²
36 = x²
x = √36
x = 6
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