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What is the result of subtracting (x² + 2) from (3x² − 4)?

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Question

What is the result of subtracting (x² + 2) from (3x² − 4)?

Options

  • 2x² − 6

  • 2x² − 2

  • 4x² − 2

  • 2x² + 6

MCQ
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Solution

2x² − 6

Explanation:

3x² − 4 − (x² + 2)

= 3x² − 4 − x² − 2

= (3x² − x²) + (−4 − 2)

= 2x² −6.  

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