Math Problem Statement
Решите уравнения **** а) x² – 8x + 7 = 0;
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Discriminant
Formulas
Quadratic equation formula: ax² + bx + c = 0
Discriminant: D = b² - 4ac
Theorems
Quadratic Formula
Suitable Grade Level
Grades 8-10