The following shows Stella's answer to a problem on a math test. 3(1 + 2) Stella's friend gave the following answer for the same problem. 3 · 1 + 3 · 2 Which shows why their answers are the same?\
A. a + bc = (a + b)(a + c)
B. a + bc = ab + ac
C. a(b + c) = (a + b)(a + c)
D. a(b + c) = ab + ac
