The correct answer is 12n^3 + 15n^2.
To simplify the expression, you need to distribute the 3n to both terms inside the parentheses:
3n * 4n^2 = 12n^3
3n * 5n = 15n^2
Therefore, the simplified expression is 12n^3 + 15n^2.
3 of 73 of 7 Items Question 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 Skip to navigation
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