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14

Step-by-step Answer
PAGE: 298SET: ExercisesPROBLEM: 14
Please look in your text book for this problem Statement

The equation is .

                                    (Original equation)

The standard form equation is .

Compare the above two equations and .

Solve the equation.

                              (Formula for quadratic equation)

                (Substitute and )

                          (Multiply)

                          (Evaluate powers:

                                    (Subtract: )

                                            (Substitute : )

or           (Write as two equation)

or                            (Subtract)

or                                   (Simplify)

Therefore, the solutions are and .

Check solution for -values.

Case (i):

                                     (Original equation)

                          (Substitute )

                               (Evaluate powers: )

                                     (Multiply)

                                          (Substitute: )

Case (ii):

                                     (Original equation)

                      (Substitute )

                         (Evaluate powers: )

                              (Multiply)

                                          (Substitute: )

The solutions are and .



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