Quadratic equation: Phương trình bậc hai
Tiếng Việt: Phương trình bậc hai (ax^2 + bx + c = 0)
English: An equation where the highest exponent of the variable (usually “x”) is a square (2).
So it will have something like x2, but not x3 etc.
A Quadratic Equation is usually written ax2 + bx + c = 0
2x^2 + 5x – 3 = 0
x^2 – 3x + 2 = 0