Evaluate 120^2 − 54^2 using an arithmetic identity.
Note
Use a²−b²=(a−b)(a+b). Here (120−54)(120+54) = 11484.
Evaluate 120^2 − 54^2 using an arithmetic identity.
Use a²−b²=(a−b)(a+b). Here (120−54)(120+54) = 11484.