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28 April, 01:28

Match each pair of polynomials to their sum.

Tiles

12x2 + 3x + 6 and - 7x2 - 4x - 2

-2x - 2

2x2 - x and - x - 2x2 - 2

2x2

x3 + x2 + 2 and x2 - 2 - x3

2x2 + 9x - 2

x2 + x and x2 + 8x - 2

5x2 - x + 4

+1
Answers (1)
  1. 28 April, 03:48
    0
    Answers:

    (12x^2 + 3x + 6) + (-7x^2 - 4x - 2) = 5x^2 - x + 4

    (2x2 - x) + (-x - 2x2 - 2) = - 2x - 2

    (x3 + x2 + 2) + (x2 - 2 - x3) = 2x^2

    (x2 + x) + (x2 + 8x - 2) = 2x^2 + 9x - 2
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