Simplify. Write each answer in standard form. 54412 + 2x + 5) + (7x2 - 5x + 2). 6-(9612 — 4 - 5a) — (12a — 6612 + 3). 7. —4m2 + m ... Open-Ended Write a trinomial with a degree of 6. 10. Write the ... (3x + 5)(7x2 - 2x + 1) ... Write your answer in simplest form. Factor each expression. 31. W2 » 5w — 14. 33.