KitKat1511584
KitKat1511584
30-04-2017
Mathematics
contestada
What are the solutions to 2x^2+7x=4?
Respuesta :
irspow
irspow
30-04-2017
2x^2+7x-4=0
2x^2+8x-x-4=0
2x(x+4)-1(x+4)=0
(2x-1)(x+4)=0
So the zeros or solutions occur when x=-4 and 1/2
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