Odpowiedź :
Odpowiedź:
[tex]5(3x+2)=5\cdot3x+5\cdot2=15x+10\\\\2bc(3b+0,5c)=2bc\cdot3b+2bc\cdot0,5c=6b^2c+bc^2\\\\(2x+3)(2x+3)=4x^2+6x+6x+9=4x^2+12x+9\\\\(-8x+z)(2x-6z)=-16x^2+48xz+2xz-6z^2=-16x^2+50xz-6z^2[/tex]
Odpowiedź :
5*(3x+2)=15x + 10
2bc*(3b+0,5c)= 6b^2c + 6c^2
(2x+3)*(2x+3)= = 4x^2 + 12x + 9
(-8x+z) * (2x-6z)= -16x^2 + 50xz - 6z^2