I have the eq. f(x,y) = 2x^2 + x^2y + y^3 + 12y^2
trying to find the stationary points for this eq.
i have the p.derivatives at:
fx = 4x - 2xy
fy = x^2 + 3y^2 + 24y
fxx = 4 + 2y
fyy = 6y + 25
fxy = 2x
my issue lies is that i need to find the 4 stationary points
for fx i have factored out to reach fx=x(4 + 2y)
and for fy = x^2 + y(3y + 24)
from here i am unsure how i get my x and y points if someone could show me how to go from here it would be very helpful