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 ( 71+ )
Otras preguntas
Please say correct answer and I give excerpt verifired. Read the image I put and answer it please for excerpt verified
During the water cycle, water from rivers, streams, lakes, and oceans evaporate into water vapor . Then, the water vapor rises into the cool atmosphere and cond
Martin put 8 pounds of grapes into a bowl. Four friends each took 2
20) Which statement BEST summarizes the passage? A) The shepherd is looking for a woman to live with a him. B) The shepherd wants his love to live and work with
The stamen is made up of the___and the___.
Which one of the following is a working capital management decision?.
Can someone please answer this for me
what is hunting reserve Name the only hunting reserve of Nepal
According to those who supported it, the right of nullification had been exercised before the Nullification Crisis in the A. Virginia Resolution only. B. Kentuc
The following week they gave another exam. Tina knows she can grade 60 exams in 2 hours and Renee can grade 60 exams in 1.5 hours. How long will it take for the
