plis potrzebuje na juz a)-3(2y-3x)+2(3y+2x) b)-4(x-5y)-3(-2y-x) c)2x(x+2y)-x(2x+y)
a)
-6y +9x +6y +4x = 13x
b)
-4x+20y + 6y +3x = 26y - x
c)
2x^2 +4xy - 2x^2 -xy = 3xy
a) -3(2y -3x)+2(3y +2x)=
= -6y +9x +6y +4x= 13x
b) -4(x-5y) -3(-2y-x) =
= -4x +20y +6y +3x= -x + 26y
c) 2x(x+2y)-x(2x+y)=
= 2x^2 +4xy -2x^2 -xy = 3xy
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a)
-6y +9x +6y +4x = 13x
b)
-4x+20y + 6y +3x = 26y - x
c)
2x^2 +4xy - 2x^2 -xy = 3xy
a) -3(2y -3x)+2(3y +2x)=
= -6y +9x +6y +4x= 13x
b) -4(x-5y) -3(-2y-x) =
= -4x +20y +6y +3x= -x + 26y
c) 2x(x+2y)-x(2x+y)=
= 2x^2 +4xy -2x^2 -xy = 3xy