1. C
2. Correct
3. Correct
1. 16x^2 + 2 + 2x - 15x^2 - 1 + 14x
A. 31x^2 + 16x + 1
B. x^2 - 12x + 1 ****
C. x^2 + 16x + 1
D. x^2 + 16x + 2
2. 2x^2 + 8 - 4x + 3x - 6x^2 + 7
A. -8x^2 - 7x + 15
B. -4x^2 - x + 15 ****
C. 4x^2 + x + 15
D. 8x^2 + 7x + 15
3. 4x^2 + 8x - 11x + 6 - 5x^2 + 2
A. -x^2 - 3x + 8 ****
B. -x^2 + 3x + 8
C. x^2 - 3x + 8
D. x^2 + 3x + 8
This is only just three questions of 21...
PLEASE HELP ME
4 answers
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1. A. 31x
2. B. 4x^2-x
3. B. -2x^2+
4. A. -2
5. B. m^2+2
6. A. 6x^3
7. D. 15t+4
8. D. f 6
9. C. 100^4
10. D. x 13
11. B. 4^15
12. D. 2^24
13. A. 1
14. B. 1_16
15. B. 5.6. 10^9
_5
16. D. 8.8. 10
17. C. 36t^6
18. D. -24x-54
19. A. -12k^4-16k^3+20k^2
20. A. -36x^3
21. B. 15y^2-11y
22 and 23 your on your own
1. A. 31x
2. B. 4x^2-x
3. B. -2x^2+
4. A. -2
5. B. m^2+2
6. A. 6x^3
7. D. 15t+4
8. D. f 6
9. C. 100^4
10. D. x 13
11. B. 4^15
12. D. 2^24
13. A. 1
14. B. 1_16
15. B. 5.6. 10^9
_5
16. D. 8.8. 10
17. C. 36t^6
18. D. -24x-54
19. A. -12k^4-16k^3+20k^2
20. A. -36x^3
21. B. 15y^2-11y
22 and 23 your on your own