shornoramiller3 shornoramiller3

11-06-2014
Mathematics

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w^2-4w+ ? what lake the expression a perfect square

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reyvelyn reyvelyn

11-06-2014

(w-2)(w-2) -2w*w=-2w^2 w*-2=-2w =-4w w^2-4w+4

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erikjust erikjust

11-06-2014

to complete the squre you take the B value ( Ax^2+Bx+c) divide by two then square it so it would be 4

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