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Chapter 9: Q. 41 (page 869)

Solve quadratic equation x2-6x+9=12using square root property

Short Answer

Expert verified

The values of xare 3+23and 3-23.

Step by step solution

01

Step 1. Given information

The quadratic equationx2-6x+9=12

02

Step 2. Factor the perfect square trinomial

鈬�x-32=12

03

Step 3. Use square root property

鈬�x-3=卤23

鈬�x=3卤23

鈬�x=3+23andx=3-23

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