1991davoust
1991davoust
21-05-2016
Mathematics
contestada
please help solve x^2-2x-4=0
Respuesta :
Аноним
Аноним
21-05-2016
Simple....
you have [tex] x^{2} -2x-4=0[/tex]
To solve...you must complete the square...
use [tex]( \frac{b}{2} ) ^{2} [/tex] to create a new term...
x=1(+/-)[tex] \sqrt{5} [/tex]
Thus, your answer.
(Or, x≈3.23606797, -1.236067967)
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