Bomarie02
Bomarie02 Bomarie02
  • 25-10-2019
  • Mathematics
contestada

Solve 3x²-x-2=0. Please show all work.​

Respuesta :

IuliusCaesar
IuliusCaesar IuliusCaesar
  • 25-10-2019

3x²-x-2=0

Δ=1+24=25 (Δ=b²-4ac)

x₁,₂=[tex]\frac{1(+/-)\sqrt{25} }{6}[/tex]

x₁,₂=[tex]\frac{1(+/-)5}{6}[/tex]

x1=[tex]\frac{1+5}{6}[/tex]=6/6=1

x2=[tex]\frac{1-5}{6}[/tex]=[tex]\frac{-2}{3}[/tex]

so

x1=1

x2=[tex]\frac{-2}{3}[/tex]

Answer Link

Otras preguntas

Write a fraction that is equivalent to a terminating decimal between .5 and .75
why is it important to learn refusal skills? A. to protect yourself from risks B. to prevent social burnout C. to alleviate somatic pain D. to boost self-confid
O2 and CO2 can cross a lipid bilayer using what transport method?
Why was John Jay criticized when he came back from England?
A random survey of 60 students show that 36 students use calculators for computation. What is the probability That's student chosen at random used a calculato
A biology class has a total of 47 students. The number of females is 9 less than the number of males. How many males and how many females are in the class?
On a map of the united states , 24 centimeters represent 18 miles .how many centimeters reprsent one mile. How long is the line segment between A and B in centi
Write a fraction that is equivalent to a terminating decimal between .5 and .75
transcendentalist,authors,and writer emphasized two main ideas in their work,What were those ideas?
write a letter to muhammad describing his legacy and that of islam today