" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 9p²-15pq-15pq+25q²
= 9p2-30pq+25q²
=9p²-15pq-15pq+25q²
=9p²-30pq+25q²