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X square + root 2 x minus 24

Answer»
{x}^{2}  +  \sqrt{2} x - 24 \\  \\  =  {x}^{2}   + 4\sqrt{2} x - 3 \sqrt{2}x - 24  \\  \\  = x(x + 4 \sqrt{2} ) - 3 \sqrt{2} (x + 4 \sqrt{2} ) \\  \\  = (x + 4 \sqrt{2} )(x - 3 \sqrt{2} )


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