Mathematics, 18.08.2021 18:50 babyskitt

\ sqrt {x ^ 2 + 4x + 7} = \ sqrt {x ^ 2-2x + 4

$\ sqrt {x ^ 2 + 4x + 7} = \ sqrt {x ^ 2-2x + 4$

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\ sqrt {x ^ 2 + 4x + 7} = \ sqrt {x ^ 2-2x + 4
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