Question

3. Uzupełnij: a) (2x+3y) (...........) = 10xz+4xt-15yz+6yt

b) (x-t) (.............) = xy+xz-ty-tz

c) (3a-b) (.......................) = 18a-4,5ac-6b+1,5bc

Answer 1

a) (2x+3y) (5z-2t)
b) (y-z)
c) (6+1,5c)