Question

(3) V5 x2 - x - V5 = 0​

Answer 1

Explanation:

$\sqrt{5 \times 2} - x - \sqrt{5} = 0$

$\sqrt{10} - x - \sqrt{5} = 0$

$5 - x - 2.5 = 0$

$- x - 2.5 + 5 = 0$

$- x + 2.5 = 0$

$- x = 0 - 2.5$

$- x = - 2.5$

$x = 2.5$

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Answer 2

Answer:

x = 2.5

Explanation:

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