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  • Algebraic Expression
  • Add 7x2 + 8x + 3 and 8x + 3x2 + 9.
Multiple choice

Add 7x2 + 8x + 3 and 8x + 3x2 + 9.

  1. 8x2 + 16x + 12

  2. 10x2 + 8x + 12

  3. 10x2 + 16x + 12

  4. 10x2 + 16x + 6

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

7x2 + 8x + 3 + 8x + 3x2 + 9 = 8x + 3x2 + 9 + 7x2 + 8x + 3 = 10x2 + 16x + 12

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