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X2 7x 4 0
X2 7x 4 0 pictures 5
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X2 7x 4 0
x2 u4E57 7x 4 0
x2 7x 4 0 u0434u0438u0441u043Au0440u0438u043Cu0438u043Du0430u043Du0442
x2 4 )( 7x 3 )u003d 0
x2 7x 4 0 u0432u0438u0435u0442u0430
x2 7x 4 0 quadratic formula
x2 7x 4 0
