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Chapter 10: Q 216. (page 1235)

Solve quadratic equation using the square root property:n2-80=0

Short Answer

Expert verified

The required result isn=45or-45.

Step by step solution

01

Given information 

The given expression isn2-80=0.n2-80=0

02

Simplifying the equation

Add 80 on both sides of the equation:

n2-80+80=0+80

n2=80

03

Square Root Property 

If x2=kandk鈮�0then, x=kor-k

80鈮�0

n=80or-80

n=45or-45

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