Jkr
Jkr
02-11-2014
Mathematics
contestada
2b^2+4b–2=0 what is the answer?
Respuesta :
konrad509
konrad509
02-11-2014
[tex]2b^2+4b-2=0\\ 2(b^2+2b-1)=0\\ 2(b^2+2b+1-2)=0\\ 2((b+1)^2-2)=0\\ 2(b+1)^2-4=0\\\ 2(b+1)^2=4\\\ (b+1)^2=2\\ b+1=-\sqrt2 \vee b+1=\sqrt2\\ b=-1-\sqrt2 \vee b=-1+\sqrt2 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
use the second picture.
Differentiate between radio and Tv
there are 6 more football players wearing dark helmets than wearing light ones. The ratio of dark helmets to light is 2:1. The number of light helmets is ______
Can i get help with 15=1/3(x+9)
Which secondary color did the artist use in this painting? yellow yellow-orange yellow-green green
Evaluate the expression of x = -5 and y = 12
please answer this fast!!
2t + 7 = -1 what is " t " ?? pls help ☆ ⌒ (> _ <)
Please answer correctly and no links
explain ways how ignorance contribute to the rapid spread of coronavirus?