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 ( 14+ )
Otras preguntas
Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met
The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
How did scientists discover the common structure of cells?
Find all powers of 4 in range 4 through 1,000
What are the 3 features of a typical seigneurie
the cafeteria has 45 square tables that can be pushed together to form one long table for the lacrosse team's banquet. Each square table can seat one person on
The value square root of 53 of lies between which two consecutive integers?
Write a system of equations with a solution (4,–3)
Dominick lives 1 3/4 miles from his school. If his mother drives him half the way, how far will Dominick have to walk to get to school?
What is the mean of 87, 93, 86, 90, and 84?
