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24 January, 02:04

4. Simplify the expression:

7x2 - 6+4x + 7-5x² + x

A. 2x² + 5x + 1

B. 2x² + 4x + 1

c. 12x? + 5x+1

D. 12x2 + 4x + 1

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Answers (1)
  1. 24 January, 03:55
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    A) 2x^2+5x+1

    Step-by-step explanation:

    7x^2-6+4x+7-5x^2+x

    7x^2-5x^2+4x+x-6+7

    2x^2+5x-6+7

    2x^2+5x+1
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