Expand. Homework Help ✎
(a + b)3
(2m + 5)3
Review the Math Notes on the Binomial Theorem in lesson 10.3.1. Remember, you can also use Pascal's Triangle to help you here.
(a + b)3 = 3C3a3b0 + 3C2a2b1 + 3C1a1b2 + 3C0a0b3
a3 + 3a2b + 3ab2 + b3
Use the result of part (a). a = 2m; b = 5. Simplify.