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20 February, 07:06

Which of the following expressions is not equivalent to:

4 (3x2 + 6x)

A. 12x2 + 24x B. 2x (6x + 12) C. 6x (2x2 + 4x)

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  1. 20 February, 07:30
    0
    Answer=C

    4 (3x^2+6x)

    can be simplified to ...

    12x^2+24x

    To find out which expression isn't equivalent, you have to simplify them ...

    a=12x^x+24x

    b=2x (6x+12)

    b=12x^2+24x

    c=6x (2x^2+4x)

    c=12x^3+24x
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