Please help: 3[x+4(2-x])..i've tried to answer it but cannot explain how to find the answer.?

Also, could you include the explaination..thnx a lot!

Jun Agruda2009-11-14T06:55:43Z

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= 3(x + 4[2 - x])
= 3(x + 8 - 4x)
= 3(8 - 3x)
= 24 - 9x

Answer: 24 - 9x or 3(8 - 3x)