maura2mconroy0547
maura2mconroy0547 maura2mconroy0547
  • 26-01-2017
  • Mathematics
contestada

solve the quadratic equation x^2-2x-8=0



I have tried many ways for this one but it ends up being a ridiculous answer.

Respuesta :

PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 26-01-2017
Using cross multiplication

[tex] x^{2} -2x-8 =0[/tex]
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2
Answer Link

Otras preguntas

I need help with this Graph!Graph a right triangle with the two points forming the hypotenuse. Using the sides, find the distance between the two points, to the
does anyone have any tips on revising for the geography exam topic 4 changing cities. i have no idea what it's about. thanks :))
Draw a table with two columns labelled physical change and chemical change .Write the following changes in the correct column .water boiling a car rusting petro
Characteristics of bipolar disorder typically include brainly.
Why does the stick immersed into water look bent? Explain with the ray diagram​
Write down three integers, all less than 25, whose • range is 10, and • mean is 13. The three integers are
Which of the following statements is true regarding the effect that size of the group has on the group's overall behavior?.
what colors make red and how? (warning if u answer this u might get alot of notifs) who wanna rp
Hi can i get some help with this question​
The area of a square pond is 1000m2.A path of uniform width is surrounded outside the pond and its area is 369m2.find the outer length of the path​