Question

simplify the following (-x²-y²+z²)+(x-y)(x+y)​

Answer 1

Question:

simplify the following (-x²-y²+z²)+(x-y)(x+y)

Answer:

(-x²-y²+z²)+(x-y)(x+y)

= -x²-y²+z²+x²-y²

=z²

Hence your answer is Z²

Answer 2

Answer:

(-x²-y²+z²)+(x-y)(x+y)

= -x²-y²+z²+x²+xy-xy-y²

= -2y²+z²

Hope it helps you.

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