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7 October, 21:48

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. 8 October, 00:08
    0
    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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