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What is an equation that is true for every value

User Yuridiana
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1 Answer

3 votes
Here's one:
(x + 1) (x - 1) = x² - 1

Another one:
x³ / x(x²) = 1

How about (x² + 6x - 17)⁰ = 1

Or triggily: sin²(x) + cos²(x) = 1
User Alfred Myers
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