Pre-Algebra

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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  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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