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 ( 61+ )
Otras preguntas
Someone please help Im struggling
in a group discussion, effective participants
Which equation is y=-6x^2+3x+2 written in vertex form
What is groundwater?
why did native-born americans encourgae americanization
What is Shakespeare's purpose in showing this scene with the men sitting around and planning together? How does this scene mirror a previous scene in the play?
Mini-Jukebox This amazing device acts as a portable jukebox! The Mini-Jukebox is capable of holding hundreds, even thousands, of songs. Your personal computer (
How does stress cause hair loss
What is an example of a cell that divides often?
How did Muslim rulers in Africa justify slavery?
