naldupienaar
naldupienaar naldupienaar
  • 27-04-2018
  • Mathematics
contestada

x^2 -x-20=0 Solve the equation by completing the square

Respuesta :

tomrocks2004
tomrocks2004 tomrocks2004
  • 27-04-2018
x=4
first you add 20 to both sides
then you try all numbers that square to get less than 20 and 4 is the correct one
Answer Link

Otras preguntas

Which property of water causes water drops to bead on a freshly waxed car?
What do u want to be when u grow up
Which fashion designer said fashion is ephemeral but style is eternal
As a bee feeds upon the nectar produced by a flower, the bee may become coated with the flower's pollen. As the bee flies from flower to flower, some of this po
This is a crossword assignment for psychology 8 letter word a benefit of observational research is that it often generates new_______.
how much of your paycheck do you have immediate access to once you deposit it into your bank account A. all of it B. A portion of it C. None of it
How do u do linear inequalities
plz help last one ty!!!!!!!
Why were Lewis and Clark chosen for the expedition?
Write the equation of a line in slope -intercept form that is perpendicular to the given line and passes through the point 9,-32