Directions: Find each sum or difference. Answers must be in standard form. 11. (x²-4x + 3) + (3x²-3x - 5) 12. (8r^2 -12r +

Question

Directions: Find each sum or difference. Answers must be in standard form.
11. (x²-4x + 3) + (3x²-3x - 5)
12. (8r^2 -12r + 4)-(3r²+5r-1)
13. (2m-3+ 7m²)-(3-9m² -2m)
14. (7p² + 3p)-(5p² + 4)
15. (3a²-a + 3) + (4a²-5)
16. (5w³-w+ 2u² + 4) + (3w²+1-4w)
17. (2x² +3y^2-2z^2) — (x² − y² − z²) + (4x² − 3y²)
18. (12+ 8k³ + 3k-4k²) + (5k³ + 15-k + 2k²)
19. Find the sum of (2x² - 6x-2) and (x² + 4x).
20. Subtract (-a² - 5ab + 3b²) from (3a²- 2ab + 3b²).

Kunduz · Accepted Answer

Click to see the answer