Math Problem Statement
Which of the following are a quadratic equation? a) 2x + 1 = 12 - 3x(x - 1) b) 5x^3 - 9x + 10 = 0 c) 5x^2 - 2x = x(4 - 6x) d) x(x - 5) = x(x - 7)
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Equations
Algebra
Formulas
Standard form of quadratic equation: ax^2 + bx + c = 0
Theorems
Properties of quadratic equations
Suitable Grade Level
Grades 7-9