Algebra-1

To simplify (11m + 2n)², we can use the formula for the square of a binomial:

(a + b)² = a² + 2ab + b²

In this case, a is 11m and b is 2n. Substituting these values into the formula, we get:

(11m + 2n)² = (11m)² + 2(11m)(2n) +(2n)²