factorise:7ab+9cd+7ad+9bc
Answers
Answered by
10
Answer:
(7a+9c)(b+d)
Step-by-step explanation:
7ab+7ad+9cd+9bc
7a(b+d)+9c(d+b)
7a(b+d)+9c(b+d)
(7a+9c)(b+d)
Similar questions