livvymiMelid
livvymiMelid livvymiMelid
  • 31-07-2016
  • Mathematics
contestada

help me solve x2 – 4x – 8 = 0

Respuesta :

brittanysu
brittanysu brittanysu
  • 31-07-2016
X^2-4x+2^2= 12, (x-2)^2=12 , x-2= square root 12
Square root 12 = 2square root 3 so x = 2+2square root 3
Answer Link

Otras preguntas

What type of representation would the states have under the Virginia plan?
In living organisms, which polymers have a function most similar to that of an instruction manual?
France yearned for _____________ against Germany to regain its position as Europe’s leading power. a. truce c. revenge b. ties d. reparations Nations making pol
The global workplace refers to A. understanding the development of e-mail. B. handling the process of sending international mail. C. learning how to deal with
How have archaeologists and historians learned about the daily lives of ancient Egyptians? a. They excavated temples and tombs whose walls were covered with sce
How were the american colonies administered by britain, from britain, during this period?
-5x+4y=20 10x-8y=-40
1.1% of 62 is what please (:
what is a real world situation for 100-6x=160-10x
After Mao’s death, China began to move toward a more open, market economy. Please select the best answer from the choices provided T F