How is the product (a - m)(b + n) expanded?

ab + an - bm - mn

ab - an + bm - mn

ab - am + bn - mb

ab - bm + an - mn

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

When both numbers a and b are each increased by 1, by how much does the product ab increase?

Q2.

Which property allows us to rearrange the factors in multiplication?

Q3.

If a = 5 and b = 3, how much does the product (a + 1)(b + 1) increase compared to ab?

Q4.

What is the product of two negative integers a and b?