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ATQ, {350/(x + 5)} + {350/(x - 5)} = 24 Or, 350 X (x - 5) + 350 X (x + 5) = 24 X (x + 5) X (x - 5) Or, 350(x - 5 + x + 5) = 24(x²- 25) Or, 700x = 24x²- 600 So, 24x²- 700x - 600 = 0 Or, 12x²- 350x - 300 = 0 Or, 12x²- 360x + 10x - 300 = 0 Or, 12x(x - 30) + 10(x - 30) = 0 Or, (x - 30)(12x + 10) = 0 So, x = 30 or x = -(5/6) Since, speed cannot be negative. So, x = 30.
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