Question

Find the product with the help of fomula:
(x - y + z) (x+ y - z)​

Answer 1

Answer:

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

Answer 2

Answer:

Hope it hels :)

Step-by-step explanation:

= x^2 - y^2 - z^2 - 2(xy + yz + xz) is the formula used out of which u get

=x^2 - y^2 - z^2 +2yz