sunshine3573 sunshine3573

05-06-2017
Mathematics

contestada

please show me what formula to use to solve equation
x2-6x=13

Respuesta :

anonymous79 anonymous79

07-06-2017

x^2-6x=13
(x-3)^2-9=13
(x-3)^2=22
(x-3)= +-sqrt22
x = sqrt22+3 or x = -sqrt22+3

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