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03-04-2017
Mathematics

contestada

how many real number solutions does the equation have ?
0=-4x^2+7x-8

Respuesta :

ghanami ghanami

03-04-2017

hello :
-4x² +7x-8 = 0
delta = b²-4ac a=-4 b=7 c=-8
delta = (7)²-4(-4)(-8) =-79
(delta) < 0... no solution in : R

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