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 ( 63+ )
Otras preguntas
Where did Junípero Serra help to establish almost 20 missions?
he value of an autographed baseball from 2017 is $300. The value of the baseball exponentially increases by 5% each year after 2017. Write a one-variable inequa
Which field of behavioral science would be concerned with the effect of peer pressure on individual decision making? A. Anthropology B. Psychology C. Sociology
which sentence in the folowing description identifies the style used in the exceptThese lines describe the false beliefs that chanticleer held. The proud
human twin and adoption studies imply that aggressive tendencies in human beings are ____.
WILL GIVE BRAINLIEST!!!!!!!!!!!!!Imagery, dialect, and symbols are examples of __________________ drawing conclusions. mood. tone. literary devic
The location of Midwestern cities on the shores of the Great Lakes or along major rivers has _____.
The most accurate quantitative time measure is: question 32 options: 1) self-report or diary method 2) recall method 3) observation method
is it true or false that scientists have identified shadow zones in the earths interior. One cause of the shadow zone results from S-waves being unable to trans
How were the ranks in feudal Europe unlike the ranks in the Japanese pyramid?
