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 ( 87+ )
Otras preguntas
Why are the two phases of meiosis important for gamete function
How does final stanza (Line 16 -18) contribute to the theme of the poem?
−8x+44≥60 AND−4x+50<58 please answer ASAP
What do Hà and Brother Khôi discuss in the backyard?
Can someone tell me what’s going on with this pattern changes. And next step pattern that would look like. And a function rule to find how many step are in
someone help me answer this |7x – 4| + 3 = 1
Opportunity cost occurs because of a producer’s need to
Why the lower leaves are the first that are affected by mineral deficiency in plants?
In some chemical reactions between liquids, a new solid substance is formed. The new solid is called an. Please help me
What is 3/4% as a decimal
