$\"\"$

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The equation is $\"\"$ .

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Squaring on each side and eliminate square roots.

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$\"\"$

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$\"\"$ (Subtract x from each side)

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$\"\"$

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$\"\"$ (Add 4 to each side)

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$\"\"$

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$\"\"$

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CHECK:-

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The equation $\"\"$ , on substitute $\"\"$ .

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$\"\"$

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$\"\"$

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Squaring on each side and eliminate square roots.

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$\"\"$

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The solution is true. $\"\"$

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The value of $\"\"$ .