Algebra-1

To expand and simplify (5mn − p) (5mn + p), we can use the formula for multiplying binomials:

(a + b)(a - b) = a² - b²

In this case, a is 5mn and b is p. Substituting these values into the formula, we get:

(5mn − p) (5mn + p) = (5mn)² - (p)²
                   = 25m²n²...