X^2 - 2xy - 3y^2 = 1
x - 2y = 2© BrainMass Inc. brainmass.com March 4, 2021, 5:59 pm ad1c9bdddf
Let's say that equation 1) is x^2-2xy-3y^2 = 1
and equation 2) is x-2y = 2
Solving equation 2 for x we get: x = 2+2y
Let's substitute ...
This shows how to solve a system of equations. Quadratic equations are solved.