Types of algebraic expressions. Binomials

Any algebraic expression with two terms is called a binomial expression. a binomial expression has only two terms. This is the reason why it is called a binomial (prefix 'bi' stands for 'two').
Degree in an algebraic expression is the sum of the exponents of the variables in the expression.
Example: 7xy2−3y2z  here

When multiplying or dividing a monomial by a number, multiply or divide only its coefficient.

Example:

6x5=30x;−0,5zy2=−zy;4x2:2=2x2
A binomial is an algebraic sum of monomials.

Example:

3x+2y;4xy−6y2
When multiplying or dividing a binomial by a number, each term is multiplied or divided.