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 ( 96+ )
Otras preguntas
what is nervous system?
Sarah heated some orange coloured crystals in a test tube. The crystals turned green and fizzed. After the fizzing stopped, the test tube was allowed to cool. A
what line segment is the diameter of Y
when hot humid air rises at the equator where does it travel
4.5 is 8.2 what is the sum
¿Cual es el mínimo común múltiplo de 20 14 y 17? Gracias ♥ ♥
A summer camp has 110 dividend as evenly as possible into 9 cabins.About how many campers are in each cabin?
At one point in our country's history (in the usa) slavery almost died out on its own due to what?A.Federal laws prohibiting slavery.B.The federal government ba
Determine the x- and y-intercepts of 2x+y=4 and graph the line x-intercept:(2, 0) y-intercepts: (0, 4)
Who did ares disappear
