mmmea
mmmea
27-05-2017
Mathematics
contestada
solve the equation by completing the square
x^2-4x=5
Respuesta :
heardkay97
heardkay97
27-05-2017
This can be factored
x^2-4x-5=0
(x-5)(x+1)=0
x=5 x=-1
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