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10-81.

Use square roots to find both solutions to each equation. Homework Help ✎

  1. Add to both sides.

    Square root both sides.

    This equation has , so you should be looking for two possible solutions.

  1. Use the same method as part (a). Is a perfect square?

  1. Use the same method as parts (a) and (b).

  1. One method would be to start by dividing the equation by .