63

 PAGE: 564 SET: Exercises PROBLEM: 63

The polynomial is .

Solve polynomial.

(Original polynomial)

(Divide each side by )

(Cancel common terms)

(Subtract from each side)

(Apply additive inverse property : )

(Factor )

(Substitute )

(Take the square root of each side)

(Simplify)

and           (Separate the solutions)

and                      (Using caluculator: )

and                                           (Simplify)

and                                               (Simplify)

Therefore, the solutions are and .

The solutions are and .

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