(-a-3,4b+3c)*(-d) -0,8a(4p-5b-1,2) -14(3/7x-9/14y+0,5z-0,2) Вынесите за скобки общий множитель: 8m-8n 7mn-2mp+m 12xy+18xk
(-a - 3.4b + 3c) * ( - d) = ad +3.4bd - 3cd ==== -0.8a(4p -5b - 1.2) = -3.2ap +4ab + 0.96a ==== -14*(3/7x - 9/14y + 0.5z - 0.2) = -6x + 9y - 7z + 2.8 ==== 8m - 8n= 8(m-n) === 7mn - 2mp + m = m(7n - 2p +1) == 12xy + 18xk = 6x*(2y + 3k)