Write the solution set of the equation x2 – 4=0 in roster form

Huang asked Oct 17, 2022

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23 votes

Huang asked Oct 17, 2022

by Huang

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28 votes

Answer:

Explanation:

x²-4=0

(x+2)(x-2)=0

x=-2,2

solution is x∈{-2,2}

Dmitry Leskov answered Oct 21, 2022

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