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ihatealgebrasomuch

  • 3 years ago

How do i solve this by completing the square? 2x^2 + 20x - 190 = 0

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  1. tcarroll010
    • 3 years ago
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    2(x^2 + 10x) - 190 = 0 2(x^2 + 10x + 25) - 190 - 50 = 0 2(x + 5)^2 - 240 = 0 2(x + 5)^2 = 240 (x + 5)^2 = 120 Can you take it from here?

  2. ihatealgebrasomuch
    • 3 years ago
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    im a little confused as to how you got from step one to get the (x+5)^2 part

  3. ihatealgebrasomuch
    • 3 years ago
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    @tcarroll010

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