bakerjessica17 bakerjessica17
  • 16-10-2018
  • Mathematics
contestada

x^2-xy+3y^2=15 x-y=2

Respuesta :

Charles00
Charles00 Charles00
  • 16-10-2018

x^2-xy+3y^2=15           x-y=2

Make the equation X:

x = y + 2

Plug in and Solve:

(y+2)^2 - y(y+2) + 3(y+2)^2 = 15

y = (√46) - 7/3

y = - 7 + (√46)/3

Answer Link

Otras preguntas

Make a table of values for each eqution y = |x| + 1
What states developed in the Americas, and how did they change overtime?
What role did women play in the fields of science and math in the 1700
is 7 a rational number​
How do future expectations of an improving economy affect aggregate demand? A) The government will cut regulations to boost aggregate demand. B) The busines
Which event must precede all others during tissue repair? a. Epithelia reproduce and migrate to the damaged area. b. Clotting occurs in the damaged area. c. Inf
Read the sentences. Then, use inferences to answer the questions.The curmudgeonly man was not well liked in the neighborhood. He often yelled for no reason at k
Which noble gas is expected to show the largest deviations from the ideal gas behavior?
line passing through (9, 2) and (-2, 6)​
is {4,5,6} is a subset of {4,5,6}?