Question

4ab– 5b2 – 3a2 from 5a2 + 3b2 – ab

Answer 1

Step-by-step explanation:

4ab– 5b2 – 3a2 from 5a2 + 3b2 – ab

4ab– 5b2 – 3a2 - 5a2 + 3b2 – ab

Answer 2

Answer:

$\huge\red{ANSWER}$

5p2+3q2−pq−(4pq−5q2−3p2)=5p2+3q2−pq−4pq+5q2+3p2

=5p2+3p2+3q2+5q2−pq−4pq

=8p2+8q2−5pq.