naomie1
naomie1
12-08-2016
Mathematics
contestada
if x=x2+6x-40 what are the values of x?
Respuesta :
caylus
caylus
12-08-2016
Hello,
x²+6x-40=x
==>x²+5x-40=0
Δ=5²+4*40=185
[tex]x= \dfrac{-6-\sqrt{185}}{2} \ or \ x= \dfrac{-6+\sqrt{185}}{2} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
Which verb correctly completes the sentence? Tell whether it is singular or plural. The ducks on the pond __________ beautifully colored feathers. A. has, plura
Compare and contrast the economies of chile and Venezuela (5points)
The development of small villages into the first cities was known as A. Metropolitian revolution B. Urban revolution C. Cosmopolitan Revolution D city revolutio
Which type of bond is found in many carbon-to-carbon bonds in canola oil, but very few carbon-to-carbon bonds in butter?
Which pronoun correctly completes the sentence? __________ eating the tastiest pizza in the state! A. You B. Your C. Yours D. You're
why did the crown pass the so-called intolerable acts
What economic factor contributed to a post-war boom in Europe that was not seen after World War I? the Marshall Plan the Treaty of Versailles the Cold War the B
Mark the statement correctly if it describes a cause of the Hundred Years' War. A. The English king made claims to the French throne. B. The French king made
how were Egyptian ideas about the afterlife reflected in their treatment of the dead
what is the most common threat to the human body from an invading virus? b.acid will ferment in the digestive system c.viral reproduction will destroy one healt
