3 years ago

What are the solution(s) of x^2-4=0?

Mathematics

2 answers:

emmasim [6.3K]3 years ago

7 0

<u>Answer</u>

+2 and -2

<u>Explanation</u>

x^2-4=0 Is a quadrilateral expression. we can solve it using complete square method.

x²-4=0

x² - 4 + 4 = 0 + 4

x² = 4

x = √4 or x = - √4

= +2 = -2

Alex73 [517]3 years ago

6 0

Option B.) x=-2 or x=2

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