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24 April, 22:02

Convert y=X2 + 4x + 3 from standard form to vertex form

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  1. 24 April, 22:09
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    Hello:

    x²+4x+3 = x²+2 (2x) + 4-4+3

    = (x²+2 (2x) + 2²) - 1

    x²+4x+3 = (x+2) ² - 1 ... (vertex form) the vertex is : A (-2; - 1)
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