Question

Which trinomial is the product of the binomials (2ab – b)(a + 3)?
A. 2a²b – 7ab – 3b
B. 2a²b + 5ab + 3b
C. 2a²b + 5ab – 3b
D. 2a²b + 7ab – 3b

Answer 1

Just by distributing the parenthesis
\[\large (2ab - b)(a + 3)\]
\[\large 2a^2b + 6ab - ab - 3b\]
\[\large 2a^2b + 5ab - 3b\]

Answer 2

Ahh I understand. Thank you!

Answer 3

Anytime :)