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zigzagoon2000

  • 3 years ago

What are the solutions of the equation? c^2-10c=0 A. 1, -√10 B. 0, –10 C. 0, √10 D. 0, 10 A, B, C, or D? Please explain :)

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  1. jim_thompson5910
    • 3 years ago
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    c^2-10c=0 c(c-10) = 0 See where to go next?

  2. zigzagoon2000
    • 3 years ago
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    No, I do not.

  3. jim_thompson5910
    • 3 years ago
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    c(c-10) = 0 breaks up to c = 0 or c-10 = 0

  4. jim_thompson5910
    • 3 years ago
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    then what

  5. zigzagoon2000
    • 3 years ago
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    I don't know. I'm not good at algebra.

  6. jim_thompson5910
    • 3 years ago
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    solve c-10 = 0 for c

  7. zigzagoon2000
    • 3 years ago
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    I don't know how.

  8. jim_thompson5910
    • 3 years ago
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    something - 10 = 0

  9. jim_thompson5910
    • 3 years ago
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    what number goes in the place of "something"

  10. LolWolf
    • 3 years ago
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    Important step: If \[ a\cdot b=0 \]Then at least one of \(a, b\) must be zero.

  11. zigzagoon2000
    • 3 years ago
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    10 - 10 = 0 @jim_thompson5910

  12. jim_thompson5910
    • 3 years ago
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    so c-10 = 0 means that c = 10

  13. jim_thompson5910
    • 3 years ago
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    so c = 0 or c = 10

  14. zigzagoon2000
    • 3 years ago
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    So the answer is D?

  15. jim_thompson5910
    • 3 years ago
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    yes

  16. zigzagoon2000
    • 3 years ago
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    Ah, okay thank you :)

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