tshegof36 tshegof36
  • 11-04-2021
  • Mathematics
contestada

Solve simultaneously for
x-y=3
x² - xy – 2y²-7=0
16​

Respuesta :

jertftrendz
jertftrendz jertftrendz
  • 11-04-2021

Step-by-step explanation:

usually Brunei do like this:

y=3-x

then subs this eqn to the second eqn

sorry if I'm wrong :(

Answer Link
arman777376 arman777376
  • 11-04-2021
x-y=3

x-y-3=3-3
x-y=0

x2 - xy-2y2 - 7 =0
y/x = 2x-y/x+4y

Answer Link

Otras preguntas

The water skier hass a mass of 68 kg. Calculate the resultant force acting on the water skier while accelerating.
How do you work out perimeter of a trapezium
what is 7/56 in simplest form?
f(x)= 2lxl? (graphing absolute values) I'm a little confused.
How do you work out perimeter of a trapezium
Why is it important for cardiac muscle to have many mitochondria?
When did the baby boom take place in the United States?
Find the height h of the parallelogram.
What characteristics of the medium determine the speed of sound? How would raising the pitch of a singing voice affect the speed with which the song is carried
I need examples of cultural diffusion and why