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 ( 78+ )
Otras preguntas
driving is a what activity
If two sides of a triangle measure 2 and 4, what might the third side be?
What is the reduced radical form of each expression?
2 Precizează genul, numărul, cazul, articolul, prepoziția care le pre evidenţiate cu verde.
True or False: Coastal Tribes such as the Makah, hunted sea mammals. * 1 point True False Which statement best describes how Native Americans provided food for
Find mUW please help!!!
Simplify much as possible
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
A spy realizes his cover is blown and flees toward his secret evacuation spot at a speed of 60 mph. Two hours later, a special agent in a helicopter starts chas
