3 years ago

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

Mathematics

1 answer:

Crazy boy [7]3 years ago

7 0

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

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