cakerr8upinelstovan cakerr8upinelstovan

23-07-2016
Mathematics

contestada

Simplify 4(5x - 6) - 4(2x + 1)

A. 12x - 5
B. 12x - 20
C. 12x - 28

Respuesta :

konrad509 konrad509

23-07-2016

[tex]4(5x - 6) - 4(2x + 1) =\\ 20x-24-8x-4=\\ 12x-28[/tex]

Answer Link

apologiabiology apologiabiology

23-07-2016

first distribute
a(b+c)=ab+ac

4(5x-6)=20x-24
-4(2x+1)=-8x-4

20x-24-8x-4=
20x-8x-24-4=
12x-28

C is answer

Answer Link

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