Math Problem Statement
find all real numbers, x, such that x^4 + x^2 -1 = 0
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Polynomials
Quadratic Equations
Substitution
Formulas
Quadratic formula: y = (-b ± √(b^2 - 4ac)) / 2a
Theorems
Quadratic formula
Suitable Grade Level
Grades 10-12
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