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Mathematics

Solve the following equation:

6x + 29 = 5x\dfrac{5}{x}

Quadratic Equations

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Answer

Given, 6x + 29 = 5x\dfrac{5}{x}.

By cross multiplication,

⇒ x(6x + 29) = 5

⇒ 6x2 + 29x = 5

⇒ 6x2 + 29x - 5 = 0

⇒ 6x2 + 30x - x - 5 = 0

⇒ 6x(x + 5) - 1(x + 5) = 0

⇒ (6x - 1)(x + 5) = 0

⇒ 6x - 1 = 0 or x + 5 = 0

⇒ 6x = 1 or x = -5

⇒ x = 16\dfrac{1}{6} or x = -5.

Hence, roots of the given equations are -5, 16\dfrac{1}{6}.

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