Question: Simplify. Write each answer in standard form. 7. (2x2 - 3x + 4) + (3x2 + 2x - 3) 8. (7x3 - 3x + 1)

Simplify. Write each answer in standard form. 7. (2x2 - 3x + 4) + (3x2 + 2x - 3) 8. (7x3 - 3x + 1) - (x3 + x2 - 2) 9. (3y2 - 3y + 2) + (4y2 + 3y- 1) 10. (5x2 - 10) - (3x2 + 7) 11. (2x3 - x2 + 1) + (3x3 - x2 + 2) 12. (4x3 + 3x + 2) - (2x2 - 3x + 7) 13. (3x2 + 7x - 6) + (x3 + x2 - x - 1) 14. (4x2 - X + 6) - (3x2 - 4)

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