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66

Step-by-step Answer
PAGE: 318SET: ExercisesPROBLEM: 66
Please look in your text book for this problem Statement

The expression is .

Simplify the expression.

                                                    (Original expression)

                                  (Multiply and divide with the conjugate )

                                    (Multiply)

FOIL method:

The product of two binomials is the sum of the products of the first terms, the outer terms, the inner terms and the last terms.

                           (Multiply)

                              (Substitute: )

                                           (Add)

                                         (Simplify)

                                           (Simplify)

The simplified expression is .

.



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