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 ( 47+ )
Otras preguntas
Use the order of operations and the digits 2,4,6 and 8 to create an expression with a value of 2
the length of a rectangle is 3 feet less than twice the width of the rectangle. if the perimeter of the rectangle is 324 feet, find the width and the length?
what is the prefix of enactment?
What's another name for vital signs?
List the perfect squares between 100 and 500 that are even numbers.
what is the prefix of enactment?
What is the Geocentric theory in your own words?
What are the 4 main products for southeast
HOW TO FIND THE MISSING NUMERATOR IN ANY FRACTIONS LIKE 4/8= ?/4
There is a turtle race. The race will last 2 minutes. I have to find the distance from the start each turtle will be at the end of the race. Speed (in inches pe
