" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= 3x2 - 2x2 - 5x + 4x + 7 - 9
= x2 - x - 2
2) (7xy2 - 9x2y + 11xy) + (5x2y - 7xy - 3xy2)
= 7xy2 - 3xy2 - 9x2y + 5x2y + 11xy - 7xy
= 4xy2 - 4x2y + 4xy