Question

2x(x-y-z)+2y(x+y-z)+2z(x-y+z)​

Answer 1

Answer:

$2 {x}^{2} - 2xy - 2xz + 2yx + 2 {y}^{2} - 2yz + 2zx - 2zy + 2 {z}^{2}$

Step-by-step explanation:

$2 {x}^{2} + 2 {y}^{2} + 2 {z}^{2}$

$( {x} - y - z^) {}^{2}$