Question

simplify (x^2+y^2-z^2)^2-(x^2-y^2+z^2)^2

Answer 1

Here is your answer .

Answer 2

(x²+y²-z²)²-(x²-y²+z²)²

=(x²+y²-z²+x²-y²+z²)(x²+y²-z²-x²+y²-z²)

=2x²(2y²-2z²)=2x²*2(y²-z²)

=4x²(y²-z²) ans