Algebra 1

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Add (5x^2 - 2x + 9) + (2x^2 - 4).

My answer: 7x^4 - 2x + 5 or 7x^2 - 2x + 5?

  • Algebra 1 -

    Your question was answered , go back and check

  • Algebra 1 -

    The latter. Exponents are added when multiplying terms.

  • Algebra 1 -

    I am confused. Steve said the correct answer is 7x^4 - 2x + 5.

  • Algebra 1 -

    5x^2 + 2x^2 = 7x^2
    (5 apples + 2 apples = 7 apples)

    Steve had a typo, happens even to the best of us

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