Question

1. Uzupełnij :

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

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

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

d) (2x-5)(y+6)-......=12x-5y

e) (7-x)(3-y)-......=-3x-7y

f) (6x-1)(4-y)=y-4+......

Answer 1

a) (5z+2t)

b) (y+z)

c) (6-1,5c)

d) 30+2xy

e) (-21-xy)

f) 24x-6xy