Complete the work to simplify the algebraic expression 3s2 + 11s − s2 − 4 − 5s + 7. Identify like terms: 3s2 and −s2 11s and −5s −4 and 7 Combine like terms: 3s2 + −s2 = 2s2 11s + −5s = 6s −4 + 7 = 3 Simplified expression: