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Home > PC3 > Chapter 3 > Lesson 3.1.4 > Problem 3-55


Michelle has the problem and is thinking of expanding the terms and then solving. Laura suggests that she let then solve . Use Laura’s suggestion to solve for and then use your solutions to solve for the values of .    

Solve for the values of first.
Then substitute the values of into .
Finally, solve for . You should get two answers.