Question

Expansion formula of ab-cd+bd-ac

PLEASE answer seriously then I will like, follow and mark you as brainliest.​

Answer 1

Step-by-step explanation:

a*b-c*d+b*d-a*c

pls mark as the brainliest answer.....this is the answer.

Answer 2

Step-by-step explanation:

a*b-c*d-b*d-a*c

may it helps