Do you know how to graph in 3D this equation: (x-2)^{2}+(y-2)^{2 }? 298 – How go graph in 3D multivariate equations

How will this equation 2x^{2 }+ 3xy -2y^{2 } looks like in 3D drawing? 292 – How will this equation 2 x² + 3xy – 2y² looks like in 3D drawing?