tessagrace tessagrace

20-01-2015
Mathematics

Answered

Expand and simplify: 3x(2x-3)^2 - (x+4)

Verified Answer :

konrad509 konrad509

20-01-2015

\(3x(2x-3)^2 - (x+4)=\\ 3x(4x^2-12x+9)-x-4=\\ 12x^3-36x^2+27x-x-4=\\ 12x^3-36x^2+26x-4\)

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