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What constant must be subtracted or …

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What constant must be subtracted or added from equation 4x²+12x+8=0 to solve it by method of completing square. 

    • Posted by Ayush Meena 7 years, 1 month ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Gem M 7 years, 1 month ago

    ADD 1 AND SUBTRACT 1

    (2X+3)2 -1=0

    A2 -B2 FORMULA

    2X+3+1=0    2X+3-1=0

    2X+4=0        2X+2=0

    2X=-4         2X=-2

    X=-2         X=1

    1Thank You

    ANSWER
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