Question

Tìm x

\(27x^3+27x^2+9x+1=64\) \(\left(x-2\right)^3-x^2\left(x-6\right)=4\) \(\left(x-1\right)^3-\left(x+3\right)\left(x^2-3x+9\right)+3\left(x-2\right)\left(x+2\right)=2\)

Answer 1

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