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Chapter 10: Q 24 (page 1165)

Solve the quadratic equation using square root property.

(b-1)2-9=39

Short Answer

Expert verified

The solutions areb=1卤43.

Step by step solution

01

Given Information.

The Given equation is(b-1)2-9=39.

02

Isolate the binomial term. 

(b-1)2=39+9(b-1)2=48

03

Use the square root property. 

b-1=48

Factor the radical.

b-1=2脳2脳2脳2脳3b-1=卤43

04

Solve for b.

b=1卤43

Rewrite to show two solutions.

b=1+43,b=1-43

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