Lesson 1.3 Rational Functions Workbook 1.3 4. x2 + x _ Consider the equation 3x + 6 *+ 2 2 = 0 . Solve the equation graphically. Describe the steps used. b. Solve the equation algebraically. How are the zeros of f(x) = * + x _ 2 3x+6 x+ 7, the roots of * +X -2 =0, and the 3x+6 *+2 x-intercepts of the graph of y = f(x) related