5x-(-4x+3)+(2-3x)=
-(6xy-3y)+(-5y+3xy )=
- 3a^+(-5a+7a^-1)-(4a^-2a+4)=
10xy-8x+(-y+x)-4x-(-4x)=
^ <-------------ten znak to do potegi drugiej
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5x-(-4x+3)+(2-3x)= 5x+4x-3+2-3x= 6x-1
-(6xy-3y)+(-5y+3xy )= -6xy+3y-5y+3xy = -3xy-2y
- 3a²+(-5a+7a²-1)-(4a²-2a+4)= -3a²-5a+7a²-1-4a²+2a-4 = -3a-5
10xy-8x+(-y+x)-4x-(-4x)= 10xy-8x-y+x-4x+4x = 10xy-7x-y
Licze na naj :D
5x-(-4x+3)+(2-3x)=5x+4x-3+2-3x=6x-1
-(6xy-3y)+(-5y+3xy )=-6xy+3y-5y+3xy= -3xy-2y
- 3a²+(-5a+7a²-1)-(4a²-2a+4)=-3a²-5a+7a²-1-4a²+2a-4= -3a-5
10xy-8x+(-y+x)-4x-(-4x)=10xy-8x-y+x-4x+4x=10xy-7x-y