blueeyedlady blueeyedlady

03-12-2015
Mathematics

contestada

Which of the following expressions is not equivalent to:
4(3x2 + 6x)

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

Respuesta :

VenusRetrograde VenusRetrograde

03-12-2015

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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