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Question

Find the root of equation 16x-10/x=27

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Solution

Given 16x - 10/x = 27
⇒ (16x² - 10)/x = 27
⇒ 16x² - 10 = 27x
⇒ 16x² - 10 - 27x = 0
⇒ 16x² - 27x -10 = 0
⇒ 16x² - 32x + 5x - 10 = 0
⇒ 16x(x - 2) + 5(x - 2) = 0
⇒ (x - 2) (16x +5 ) =0
⇒ (x-2) = 0 or (16x + 5) = 0
⇒ x = 2 or 16x = -5
⇒ x = 2 or x = -5/16
∴ x = 2 , -5/16

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