Question

hi guys please solve my question ​

Answer 1

Answer:

The answer is $-p^2q^2+2pq+5$

Step-by-step explanation:

Sum of $3p^2q^2-4pq+5$ and $6pq-4p^2q^2$

$=3p^2q^2-4pq+5+6pq-4p^2q^2\\\\=(3p^2q^2-4p^2q^2)+(-4pq+6pq)+5$ $\text{Combine like terms together }$

$=-p^2q^2+2pq+5$