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Aaron0620

Simplify the expression: (5x2 + 3x + 4) − (2x2 − 6x + 3). If the final answer is written in the form Ax2 + Bx + C, what is the value of B?

  • one year ago
  • one year ago

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  1. shashi20008
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    B = 9. subtract the corresponding powers in both polynomials...

    • one year ago
  2. lgbasallote
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    distribute the minus: \[5x^2 + 3x + 4 - 2x^2 -(-6x) - 3\] \[5x^2 + 3x _ 4 - 2x^2 + 6x + 3\]

    • one year ago
  3. lgbasallote
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    that's supposed to be minus 3

    • one year ago
  4. lgbasallote
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    ugh \(5x^2+ 3x + 4 - 2x^2 + 6x -3\) is the last line

    • one year ago
  5. Aaron0620
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    so its 9?

    • one year ago
  6. lgbasallote
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    i would say yes

    • one year ago
  7. lgbasallote
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    @jazy i think you forgot to distribute the minus sign

    • one year ago
  8. Aaron0620
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    thank you guys

    • one year ago
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