" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)
2a²-5a²+3ab+2ab-4
= -3a²+5ab-4
b)
9p²-4p²-q²-3q²-4pq+5pq
= 5p-4q²+pq