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 ( 62+ )
Otras preguntas
Which is associated with early increased intracranial pressure?.
help me pls dont write fake answers pls
Priming people with a flashed black face rather than a flashed white face makes them more likely to misperceive a flashed tool as a gun. this best illustrates t
√-11 please solve this perblom
Which is the best estimate of -14 1/9 (-2 9/10)?
Calcium oxide + strontium hydroxide →
Plantations were important to the cultural development of which region of northeastern Mississippi? Black Prairie s Flatwoods Pontotoc Ridge Tombigbee Hills Sav
Solve f(-4) for f(x) = 7x - 4x f(-4)= [?] Enter ternational Academy of Science. All Rights Reserved.
Rectangle qqq has an area of 222 square units. thea drew a scaled version of rectangle qqq and labeled it rectangle rrr. what scale factor did thea use to go fr
You are the group leader and your group is trying to come up with solutions to the problem your teacher has assigned. kaleel is very vocal and insists that his
