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9 March, 20:20

Change this equation to standard form. Show work

Y = (x + 7) ^2 - 3

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Answers (2)
  1. 9 March, 21:07
    0
    Y=x^2+7^2-3

    Yushshhsbshashhshs jshsbs
  2. 9 March, 22:03
    0
    Y = (x + 7) ^2 - 3

    Needs to end up in form

    Y=ax^2+bx+c

    (X+7) ^2 = (x+7) (x+7) - 3

    Now do foil method

    Xx + x (7) + 7x+7 (7) - 3

    Combine like terms

    Y=x^2+14x+49-3

    Simplify

    Y = x^2+14x+46
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