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anonymous

  • one year ago

x2 + 5x + 6 = 0 A. {2, 3} B. {1, –6} C. {–1, 6} D. {–2, –3}

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  1. jagr2713
    • one year ago
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    Hey !!! Which two numbers add up to 5 and multiply to 6? 2 and?

  2. anonymous
    • one year ago
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    3

  3. Phebe
    • one year ago
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    (x+2) (x+3) = 0

  4. jagr2713
    • one year ago
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    Good so we rewrite the expression as (x+?)(x+?)

  5. jagr2713
    • one year ago
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    Well seems like @Phebe already said it so : When will (x+2)(x+3) equal zero?

  6. anonymous
    • one year ago
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    with -2 and -3

  7. jagr2713
    • one year ago
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    its when x+2=0 and?

  8. anonymous
    • one year ago
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    option D

  9. anonymous
    • one year ago
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    so d!

  10. jagr2713
    • one year ago
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    @danial.sheikh It is better to guide the user to an answer rather than doing all the work yourself. We discourage giving out answers without letting the asker at least take some part in the analysis - the aim of this site is to teach. Please refer to our code of conduct at http://openstudy.com/code-of-conduct for more information. Thank you.

  11. jagr2713
    • one year ago
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    Correct b.c its when x+2=0 and x+3=0 And we solve so we subtract 2 and 3 on both sides and get -2,-3

  12. anonymous
    • one year ago
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    can you help with more?

  13. anonymous
    • one year ago
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    What value should be added to the expression to create a perfect square? x2 – 10x A. 25 B. –100 C. 5 D. 100

  14. jagr2713
    • one year ago
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