lisa123
  • lisa123
simplify ^7sqrt(128x^7)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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saifoo.khan
  • saifoo.khan
\[\Large \sqrt[7] {128x^7}\]?
lisa123
  • lisa123
yes
saifoo.khan
  • saifoo.khan
|dw:1441232531746:dw|

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saifoo.khan
  • saifoo.khan
Next, break 128 into its prime factors.
lisa123
  • lisa123
2 and 64
saifoo.khan
  • saifoo.khan
\[\sqrt[7]{64 \times 2} *\sqrt[7]{x^7}\]\[\sqrt[7]{32\times 2 \times 2} *\sqrt[7]{x^7}\] Keep breaking it until you're left with just the factors.
lisa123
  • lisa123
okay im left with eight 2's inside the radical
saifoo.khan
  • saifoo.khan
There should be 7.
saifoo.khan
  • saifoo.khan
|dw:1441232920424:dw|
lisa123
  • lisa123
okay yeah sorry I counted wrong
saifoo.khan
  • saifoo.khan
|dw:1441233072677:dw|
lisa123
  • lisa123
thank you that makes a lot of sense now!
saifoo.khan
  • saifoo.khan
Cool! :D
saifoo.khan
  • saifoo.khan
What grade math is this? Online college?

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