Simplify the following expression 5^2 - 4
Omg this is an elementary answer 5^2 - 4 is Five to the power of 2 minus 4 5 times 5 = 5 ^ 2 so it would be25 - 4 In equations it would be 25-4= 21 BUT THIS IS AN EXPRESSION just remember that.
he following expression 5^2 - 4 is 21
