Question

what should be subtracted from 3 z 4 + 4 x 2 + Z to obtain Z for + 2 Z - 3 x 2 - 1​

Answer 1

Step-by-step explanation:

$3z ^{4} + 4 {x}^{2} + z - z + 2z - 3 {x}^{2} - 1 \\ \\ 3z ^{4} +2z + {x}^{2} - 1$