Algebra 1, 2008

Step-by-step Answer
 PAGE: 489 SET: Exercises PROBLEM: 2
Please look in your text book for this problem Statement

The equation is .

The perfect square of the given trinomial .

(Take the square root of each side)

Apply square roots property: If then .

Apply subtraction property of equality: If a = b then c = b c.

(Subtract 7 from each side)

(Apply additive inverse property: )

Using the calculator to evaluate each value of x.

And using the calculator to evaluate square roots: .

(Simplify)

The solution set is .

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