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Raia
Lv 4
Raia asked in Science & MathematicsMathematics · 10 years ago

How to do exponents when they're next to a variable and coefficient?

If the problem was 5x^2, and x was 4, would you

-square 4 and then multiply it with 5

or

-multiply 5 and 4, and then square the product?

Thanks!

3 Answers

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  • Anonymous
    10 years ago
    Favorite Answer

    Parenthesis

    Exponents

    Multiplication

    Division

    Addition

    Subtraction

    So square first

  • Propilot
    10 years ago

    Square 4 then multiply by 5

    Source(s): Integrated Algebra 8th grade
  • David
    Lv 7
    10 years ago

    5x^2 =

    5 * (4)^2 =

    5 * 16 =

    80

    (5x)^2 =

    (5 * 4)^2 =

    20^2 =

    400

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