Solve this math problem.

5a2 + 2a + 4 (a-3) =

5 a^2 + 2a + 4 (a-3) Distribute: = 5 a^2 + 2a + (4) (a) + (4) (-3) = 5 a^2 + 2a + 4a + - 12 Combine Like Terms: = 5 a^2 + 2a + 4a + - 12 = (5 a^2) + (2a + 4a) + (-12) = 5 a^2 + 6a + - 12 Answer = 5 a^2 + 6a - 12