carleycates2 carleycates2

13-02-2018
Mathematics

contestada

Choose the correct simplification of the expression of 7x2(6x + 3x2 - 4).

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zrh2sfo zrh2sfo

13-02-2018

-28 x^2 + 42 x^3 + 21 x^4 is your Answer

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CuteAlisha CuteAlisha

13-02-2018

parenthesis first
=7*2(6x+6-4)
=7*2(12x-4)
=7*2*8x
solve
=14*8x
=112x

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