Expand the expression $\left(11x^3+5y^3+4\right)^2$ using the square of a binomial
Take the square of the first term: $11x^3$
Twice ($2$) the product of the two terms: $11x^3$ and $5y^3$
Take the square of the second term: $5y^3$
Add the three results, and we obtain the expanded polynomial
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