Question

-8x²+5x-7=0
Resolvido por delta ou (S) e (P)

Answer 1

-8x² + 5x - 7

a = -8
b = 5
c = -7

S = -b / a
S = -5 / - 8
S =  5 / 8


P = c / a
P = -7 / -8
P = 7 / 8

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