Algebra-1

To simplify (13x + 6y)², we can use the formula for the square of a binomial:

(a + b)² = a² + 2ab + b²

In this case, a is 13x and b is 6y. Substituting these values into the formula, we get:

(13x + 6y)² = (13x)² + 2(13x)(6y) +(6y)²
=...