a)
-2x+1-3x-1=-5x
b)
3x-y-1-x-y+y-x=x-y-1
c)
-2x²+3xy-2y+3x²-xy-y=x²+2xy-3y
-(2x-1)-(3x+1) = -2x + 1 - 3x - 1 =-5x
(3x-y-1)-(x+y)+(y-x) = 3x - y - 1 - x - y + y - x = x-y-1
-(2x^2-3xy)-(2y-3x^2)+(-xy-y) = -2x^2 + 3xy - 2y + 3x^2 - xy - y = x^2 + 2xy - 3yProszę. :D Liczę na Naj. :D
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
-2x+1-3x-1=-5x
b)
3x-y-1-x-y+y-x=x-y-1
c)
-2x²+3xy-2y+3x²-xy-y=x²+2xy-3y
-(2x-1)-(3x+1) = -2x + 1 - 3x - 1 =-5x
(3x-y-1)-(x+y)+(y-x) = 3x - y - 1 - x - y + y - x = x-y-1
-(2x^2-3xy)-(2y-3x^2)+(-xy-y) = -2x^2 + 3xy - 2y + 3x^2 - xy - y = x^2 + 2xy - 3y
Proszę. :D Liczę na Naj. :D