Evaluate
\left(x^{2}+4x+y-4\right)^{3}
Expand
x^{6}+12x^{5}+36x^{4}-32x^{3}-144x^{2}+12xy^{2}-96xy+192x+y^{3}-12y^{2}+3yx^{4}+24yx^{3}+24yx^{2}+48y+3\left(xy\right)^{2}-64
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Examples
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