School-level algebra of polynomials, equations and inequalities.
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Q1 · Algebra · MEDIUM
If x² + (1/x²) = 18, then what is the value of x + (1/x)?
Q2 · Algebra · MEDIUM
If x² - 7x + 12 = 0, then what is the value of (x + 1/x)?
Q3 · Algebra · EASY
If 3x - 5 = 16, then the value of x is:
Q4 · Algebra · MEDIUM
If x + (1/x) = 5, then what is the value of x² + (1/x²)?