Question

the sum of three expressed is x^(2)+y^(2)+z^(2),if two of them are4x^(2)-5y^(2)-3z^(2)and -3x^(2)+4y^(2)+2z^(2) the third expressed is ?

Answer 1

Answer:

Step-by-step explanation:

the third is

2 y ^2 + 2 z ^2