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kimblack Group Title

What is the simplest form of the expression? sqrt20+sqrt45-sqrt5

  • one year ago
  • one year ago

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  1. across Group Title
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    Try and find the prime-power decomposition of each number.

    • one year ago
  2. kimblack Group Title
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    idk what that is

    • one year ago
  3. kimblack Group Title
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    5?

    • one year ago
  4. across Group Title
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    That is, the number \(20\) has prime-power decomposition \(2^2\cdot5\).

    • one year ago
  5. across Group Title
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    The number \(45\) has prime-power decomposition \(3^2\cdot5\).

    • one year ago
  6. kimblack Group Title
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    i figured it out.. (:

    • one year ago
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