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+1 vote
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in Mathematics by (40.7k points)
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Solve for x : (2x/(x - 5))2 + 5(2x/(x - 5)) - 24 = 0, x ≠ 5

2 Answers

+1 vote
by (15.1k points)
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Best answer

We have given,

\(\left(\frac{2x}{x - 5}\right)^2 + 5 \left(\frac{2x}{x - 5}\right) - 24 = 0\)

Let \(\frac{2x}{(x - 5)}\) be y

\(\therefore y^2 + 5y - 24 = 0\)

Now factorise,

\(y^2 + 8y - 3y - 24 =0\)

\(y(y + 8) - 3(y + 8) = 0\)

\((y + 8) (y - 3) =0\)

\(y = 3, -8\)

Putting y = 3

\(\frac {2x}{x - 5} = 3\)

\(2x = 3x - 15\)

\(x = 15\)

Putting y = -8

\(\frac{2x}{x - 5} = -8\)

\(2x = -8x + 40\)

\(10x = 40\)

\(x =4\)

Hence, x is 15, 4.

+1 vote
by (88.4k points)

(2x/(x - 5))2 + 5(2x/(x - 5)) - 24 = 0

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