Question

x(x+y+z)-y(x-y+z) this is my questio​

Answer 1

Answer:

$x(x + y + z) - y(x - y + z) \\ = {x}^{2} + xy + xz - xy + {y}^{2} - yz \\ = {x}^{2} + xz + {y}^{2} - yz$