For English translation, please refer to the following:

Mathematical quantities (especially roots) that cannot be expressed by ordinal numbers or quantities are endless.

Square root: A number multiplied by itself equals a given number. square root

Difference between squares: The difference between two squares means that a number is squared, or multiplied by itself, and then subtracted by another square number.

Linear equation: An algebraic equation in which each term is either a constant or a product of a constant and a single variable. A linear equation can have one, two, three or more variables.

Quadratic equation: Quadratic polynomial equation.

Coefficient: Constant multiplication factor of an object.

Real number: a number related to points on an infinite line-a number line. Real number.

Power: the result of multiplying a number by a certain multiple of itself; Power: