# Quadratic Formula 2 Video Tutorial

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This math video tutorial gives a step by step explanation to a math problem on "Quadratic Formula 2".

# Equations

An equation is a mathematical statement, in symbols, that two things are the same (or equivalent). Equations are written with an equal sign. Equations are often used to state the equality of two expressions containing one or more variables.

In mathematics, a quadratic equation is a polynomial equation of the second degree. The general form is

ax2 + bx + c = 0

where a ≠ 0. (For a = 0, the equation becomes a linear equation.)

The letters a, b, and c are called coefficients: the quadratic coefficient a is the coefficient of x2, the linear coefficient b is the coefficient of x, and c is the constant coefficient, also called the free term or constant term.

# Solving Equations

Solving an equation means finding a value for the variable that makes the equation true.

How many legs in total do a chicken, and two sheep have?