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Quadratics - express in the form a (x+b)^2 +c watch

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    2x^2 +4x +3
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    (Original post by M12S)
    2x^2 +4x +3
    What have you tried so far?
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    2(x+1)^2 +1
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    (Original post by Mr Moon Man)
    2(x+1)^2 +1
    Thanks that's what I got but i wasn't sure.
    What about 2x^2 +2x-1.
    Is 2 (x+1/2)^2 -1 1/2 correct ?
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    (Original post by M12S)
    Thanks that's what I got but i wasn't sure.
    What about 2x^2 +2x-1.
    Is 2 (x+1/2)^2 -1 1/2 correct ?
    Yes, that's correct
 
 
 
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