Completing the square See also Matrices and Determinants SURDS SOLVING PROBLEMS BASED ON LAWS OF LOGARITHM LOGARITHM OF NUMBERS LESS THAN ONE Using logarithm to solve problems with powers and root Related posts: INDICIAL/EXPONENTIAL EQUATION Using logarithm to evaluate problems of multiplication and divison Using logarithm to solve problems with powers and root LOGARITHM OF NUMBERS LESS THAN ONE Factorization of Quadratic Expressions Quadratic Equation by Factorization Method