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Mathematics, 27.08.2019 16:20 drastipatel18

What completes this expression to make it a perfect square trinomial? x2 + 4x + a 2 b 4 c 8 d 16

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What completes this expression to make it a perfect square trinomial? x2 + 4x + a 2 b 4 c 8 d 16...
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