Question

(x^2-y^2+z^2) - (x^2-y^2-z^2)
can you get ans of this plz it's urgent​

Answer 1

Answer:

${x}^{2 } - {y}^{2} + {z}^{2} - {x}^{2} + {y}^{2} + {z}^{2} \\ = 2 {z}^{2}$

this is the correct answer