Question

what must be subtracted from 5a²-16ab-3b²-1 to get 6a²-3ab+4b²+1​

Answer 1

Step-by-step explanation:

Let the number be x

a/q,

$5 {a}^{2} - 16ab - 3 {b}^{2} - 1 - x = 6 {a}^{2} - 3ab + 4 {b}^{2} + 1$

the answer is in the attachment..