Resolver x ^ 3 + x ^ 2 * y + x * y ^ 2 + y ^ 3 = 81 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$x^{3}+x^{2}y+xy^{2}+y^{3}=81$$