Big Ideas Math Algebra 1 A Bridge to Success
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Big Ideas Math Algebra 1 A Bridge to Success View details
Chapter Test
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Exercise 1 Page 537

Consider the positive and negative solutions when isolating a variable raised to the power of two.

and

We will solve the given equation by taking the square roots, because it has the form of Therefore, we will start by isolating on one side of the equation. Remember we need to consider the positive and negative solutions.