Find the product of sum and difference of two terms and square of binomials. A. Sum and Difference of Two Terms The first number will be your guide. 1. (m+8)(m-8) Solution: (m+8) (m-8) = (m)² - (8)² (m+8) (m-8) = m² - 64 2. (4g + 16) (4g-16) 3. (4m²+ 2n) (4m² - 2n) 4. (3a + 5)( 3a - 5)