wykonaj mnożenie i zredukuj wyrazy podobne x(2+4)-3y x(5-y)+2-4xy 7x(y-1)+3xy+8x+2 4a(5+b)+20a-3ab 16x-4y+8 -25xy+5x 27a+9b+18 12ab+6a-26abc -2,4xy-3,6y+1,2x

x(2+4)-3y = 2x+4x-3y = 6x-3y x(5-y)+2-4xy=5x-xy+2-4xy=5x-5xy+2 7x(y-1)+3xy+8x+2=7xy-7x+3xy+8x+2=10xy+x+2 4a(5+b)+20a-3ab=20a+4ab+20-3ab=20a+ab+20 dalej nie potrafie ; (

1.x(2+4)-3y=2x+4x-3y=6x-3y x(5-y)+2-4xy=5x-xy+2-4xy=5x+2-5xy 7x(y-1)+3xy+8x+2=7xy-7x+3xy+8x+2=10xy+x+2 4a(5+b)+20a-3ab=20a+4ab+20a-3ab=40a+ab 2.16x-4y+8=4(4x-y+2) -25xy+5x=5x(-5y+1) 27a+9b+18=9(3a+b+2) 12ab+6a-26abc=2a(6b+3-13bc) -2,4xy-3,6y+1,2x=1,2(-2xy-3y+x)