jasminelockhart596 jasminelockhart596
  • 20-07-2017
  • Mathematics
contestada

Find the sum of the solutions of this equation 20x^2-39x-80=0

Respuesta :

sergibcnusa sergibcnusa
  • 20-07-2017
This is 'nice':

The sum of the solutions is the coefficient with 'x', change it sign and divide by the coefficient of x^2:

sum = 39/40.



Answer Link

Otras preguntas

A speech on "books are the best companions".
Why can a constellation X not be seen in the summer, but only in winter?
Why can a constellation X not be seen in the summer, but only in winter?
What if a wave reaches a type of matter it cannot pass through? Does it just stop moving? If not, where does it go?
How is India connected to the world through the sea routes? What are its benefits ?
Why do particles in gases and liquids diffuse, but not solids?
A fair coin is tossed 100 times. What is the probability that more than 55 heads are observed?
Is it possible for a single cell to be a living organism?
8 1/5 - 3 4/10= show your work
how to integrate a/1-ay?