Question

P(x;y)=x²+ y² + x( y + z) +z( x + z)

Answer 1

Respuesta:

$y = {x}^{2} + {y}^{2} + xy + xz + xz + {z}^{2}$

$y = {x}^{2} + {y}^{2} + xy + 2xz + {z}^{2}$