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30 June, 15:40

Complete the square to re-write the trinomial below in vertex form:

x^2+2x+1

+1
Answers (1)
  1. 30 June, 17:44
    0
    Ax²+bx+c

    when a=1, then take 1/2 of b and square it and add something

    x²+2x+1

    2/2=1, 1²=1

    x²+2x+1-1+1

    (x+1) ²-1+1

    (x+1) ²
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