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Chapter 10: Q 15 (page 1165)

Solve the quadratic equation using square root property.

(x+2)2=9.

Short Answer

Expert verified

The solutions arex=1,-5.

Step by step solution

01

Given Information.  

The Given equation is(x+2)2=9.

02

Use square root property.

x+2=卤9

Solve radical.

x+2=卤3

03

Solve for x.

x=卤3-2

Rewrite to show two solutions.

x=3-2x=1,x=-3-2x=-5

Thus, the solutions arex=1,-5.

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