Hola.. me pueden a ayudar a resolver la siguiente ecuacion
> 18=6x+x(x+13)
es por Formula General
> 18=6x+x(x+13)
es por Formula General
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18 = 6x + x² + 13x
x² + 19x - 18 = 0
a = 1
b = 19
c = -18
x = [ -19 ± √(19² - 4(1)(-18)) ] ÷ 2(1)
x = (-19/2) ± (√433 /2)
Entonces
x1 = (-19+√433) / 2
x2 = (-19-√433) / 2