Elementary Algebra

a²b a²b² ab² algebraic expression arithmetical mean arithmetical progression ax² binomial called cents Check common factor completing the square complex numbers coördinates cost cube denominator difference digits dividend divisor EXERCISE exponent Find the numbers Find the sum find the value formula fraction geometric progression given equation graph Hence highest common factor identity ILLUSTRATIVE EXAMPLES integers integral expression linear equations m²n mn² monomial negative number number of dollars numerical coefficient parentheses perfect square polynomial positive number possible at sight quadratic equation quotient radicand rational number rectangle remainder Remark result Simplify Solution Solve the equation Solve the following Solve the system square root Substituting subtracted surd tion Transposing trinomial unknown number x²y x²y² x³y xy² zero