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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

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4 answers

  1. 1. C
    2. Correct
    3. Correct

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  2. Agree with Swimmer

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  3. Use a site called symbolab it even shows your work.

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  4. i just risked so much for ya'll😩
    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

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