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Chapter 1: Q 2. (page 49)

Use the Square Root Method to solve the equationx-22=9

Short Answer

Expert verified

Values ofxare-1,5.

Step by step solution

01

Step 1. Given information

An equation isx-22=9.

02

Step 2. Solve the given equation.

Consider the equation (x-2)2=9

The right hand side is already a perfect square, so we will take square root of both sides

role="math" localid="1646119886036" (x-2)2=9x-2=卤3x-2=-3,x-2=3x=-1,5

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