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"\\( 4 x ^ { 2 } + y ^ { 2 } + z ^ { 2 } + 2 y z - 4 x y - 4 x z \\) is equal to\n\\( \\begin{array} { l l } { \\text { 1) } ( 2 x + y + z ) ( 2 x + y - z ) } & { \\text { (2) } ( 2 x - y + z ) ( 2 x + y - z ) } \\\\ { 3 ) } & { ( 2 x - y + z ) ^ { 2 } } & { \\text { (4) } ( 2 x - y - z ) ^ { 2 } } \\end{array} \\)"
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