Seudónimo
Seudónimo
23-07-2014
Mathematics
contestada
Solve by completing the square
x^2-2x-5=0
Respuesta :
konrad509
konrad509
23-07-2014
[tex] x^2-2x-5=0 \\ x^2-2x+1-6=0\\ (x-1)^2=6\\ x-1=\sqrt6 \vee x-1=-\sqrt6\\ x=1+\sqrt6 \vee x=1-\sqrt6 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
the interaction between mosquitoes and human beings is called ?
in 5.074 the digit 5 stands for _____________
which two numbers multiply to give you 100 and add to give you 10
What was Ramses the second leadership style
Round $6.6666 to the nearest cent
Round $6.6666 to the nearest cent
Round $6.6666 to the nearest cent
Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine , rust is made. Rust has a reddish brown color. Why does rust di
Can there be more than one point of intersection between the graphs of two linear equations?
What is the gel like substance in a plant and animal cell?
