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21 September, 03:22

Which expression is equivalent to (2x + 4) 2 - (2x2 + 6) ?

A) 2x2 + 16x - 2

B) 2x2 + 16x + 10

C) 4x2 + 16x + 10

D) 4x2 + 16x - 2

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Answers (1)
  1. 21 September, 06:03
    0
    2x^2+16x+10

    Step-by-step explanation:

    (2x+4) ^2 - (2x^2+6)

    (2x+4) (2x+4) - 2x^2-6

    4x^2+8x+8x+16-2x^2-6

    4x^2-2x^2+16x+16-6

    2x^2+16x+10
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