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-   -   What is the soultion (https://www.askmehelpdesk.com/showthread.php?t=352785)

  • May 12, 2009, 05:51 AM
    Jonnyd2
    What is the soultion
    b^2+4b-21=0
    What is the soultion for b
  • May 12, 2009, 06:02 AM
    JoeCanada76

    Sorry can not do your homework for you.
  • May 12, 2009, 06:38 AM
    Capuchin

    Factorise it.

    Hint: -3+7=4; -3*7=-21

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