emily200705
05.02.2021 •
Mathematics
Por favor necesito la actividad 4 y 5 le doy corona y 30 puntos
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Ответ:
x^2 - 2x - 13/4 = 0...add 13/4 to both sides
x^2 - 2x = 13/4 ...take half of ur x term, square it, and add it to both sides
x^2 - 2x + 1 = 13/4 + 1
(x - 1)^2 = 17/4
x - 1 = (+-) sqrt (17/4)
x = 1 (+-) sqrt (17/4)
x = 1 + (sqrt 17) / 2 <==
x = 1 - (sqrt 17) / 2 <==
I dont know what steps she made, but here is how I would do it.