Algebra-1

To simplify (2p + 7q)², we can use the formula for the square of a binomial:

(a + b)² = a² + 2ab + b²

In this case, a is 2p and b is 7q. Substituting these values into the formula, we get:

(2p + 7q)² = (2p)² + 2(2p)(7q) +(7q)²
...