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Chapter 10: Q 218 (page 1235)

Solve quadratic equation using the square root property:2b2=72

Short Answer

Expert verified

The required result isb=6or-6

Step by step solution

01

Given information 

The given expression is2b2=72

02

 Simplifying the equation

Divide both side of equation by 2

b2=36

03

Square root property 

If x2=kand k≥0then , x=kor-k

36≥0

x=36or-36

x=6or-6

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