Wykonaj działania: algebraiczne mnożenie 6(x-4)-2= 2(x+1)-3(x-1)= -3(y-2)+4(y+2)= 5(x-y-1)-4(x+2)= 2(3a+b)-2(a-b)= 5a(a-3)-3a(a-5)=

6(x-4)-2=6x-24-2=6x-26 2(x+1)-3(x-1)=2x+2-3x+3 -3(y-2)+4(y+2)=-3y+6+4y+8=y+14 5(x-y-1)-4(x+2)=5x-5y-5-4x-8=x-5y-13 2(3a+b)-2(a-b)=6a+2b-2a+2b=4a+4b 5a(a-3)-3a(a-5)=5a²-15a-3a²+15a=2a²

a) 6(x-4)-2=6x-24-2=6x-26 b) 2(x+1)-3(x-1)=2x+2-3x+3= -x+5 c) -3(y-2)+4(y+2)=-3y+6+4y+8=y+14 d) 5(x-y-1)-4(x+2)=5x-5y-5-4x-8=x-5y-13 e) 2(3a+b)-2(a-b)=6a+2b-2a+2b=4a+4b f) 5a(a-3)-3a(a-5)=5a²-15a-3a²+15a=2a²