Question

find the value of x if 4 x = 56 square - 52 square​

Answer 1

4x = 56² - 52²

4x = (56 - 52) (56 + 52) { Since a² - b² = (a - b) (a + b)

4x = (4) (108)

x = 108 { Since 4 is divided on both sides }