" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. 2(x+2y-xy)+5(2x-3y+5xy) = 2x + 4y - 2xy + 10x - 15y + 25xy = 12x - 11y + 23xy
3. (5a-6+ab)-(a+2ab-1) = 5a-6+ab - a - 2ab + 1 = 4a-5-ab