" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=x-2
b. x²+4x-1-2x² +4x
=-x²+8x-1
c.y²-3-4y²+5y+6
=-3y²+3+5y
d.5a-6+ab-a+2ab-1
=4a+3ab-7