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27 November, 18:16

Which expression is equivalent to this polynomial? 6x2 + 10x - 56=

4 (x - 4) - 2 (3x2 + 3x - 20)

(3x2 + 5x - 28) + (3x2 - 5x - 28)

4 (x - 4) + 2 (3x2 + 3x - 20)

(3x2 + 5x - 28) - (3x2 + 5x - 28)

+3
Answers (2)
  1. 27 November, 18:19
    0
    Step-by-step explanation:

    A 4x - 16 - 6x2 - 6x + 40

    Solving like terms

    -6x2 - 2x + 24

    B 3x2 + 5x - 28 + 3x2 - 5x - 28

    Solving like terms

    6x2 - 64

    C 4x - 16 + 6x2 + 6x - 40

    Solving like terms

    6x2 + 10x - 56

    Option C is the correct answer
  2. 27 November, 18:41
    0
    2nd one maybe I'm not to sure srry
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