1 ) Fill in the blanks to complete the definition . A quadratic equation is an equation that has , or could be simplified to have , the ax` + bx + [ 2 ) Fill in the blank's to complete the rule . Zero Product Rule* Words Variables Polynomials If a product equals zero , then at least* one of the product's factors Must* IF A * { = O , then* If ( * + 3) ( x - 1 ) = Equal = DOT O , then* Dor A and E = O . Dor = Dor (* + 3 ) and ( * - 1 ) = 0 . 3 ) Fill in the blank's to complete the steps . How to Solve a Quadratic Equation Step Example 1 . Factor the polynomial . 21 2 + 5x + 3 = 0 2 . Write each factor as an equation equal to ZERO . 3 . Solve the factor Equations . 4 . The solutions to the factor equations are the solutions to the quadratic* *` = and * = equation