Simplify 3n(4n2 + 5n). (1 point) Responses 12n3 + 15n2 12 n 3 + 15 n 2 7n2 + 8n 7 n 2 + 8 n 12n2 + 15n 12 n 2 + 15 n 12n2 + 8n 12 n 2 + 8 n

Answer 1

12n^3 + 15n^2