Question

3 x² + 4x-3 4x2 + 4
What should be subtracted from 2x2 - y2 + 4z2 to get x2 + y2 - z
1) x² – 2y² +52²
2) x² + 2y2 – 522
3) x² – 2y² – 52²
4) x² – 2y² – 52²​

Answer 1

Answer:

option 1 is the correct