Simplify the expression –3(x + 3)2 – 3 + 3x. What is the simplified expression in standard form?

First expand the square: (x + 3)² = x² + 6x + 9. Multiplying by –3 gives –3x² – 18x – 27; then combine the remaining terms, –3 + 3x, to get –3x² – 15x – 30. This is choice B, –3x² – 15x – 30.

AI-written and checked against the verified answer.