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Hence, the algebraic expression x 3 + 3x 2 − 2x 3 + 2x − x 2 + 3 − x simplifies to −x 3 + 2x 2 + x + 3. For example, let us take an algebraic expression and try to reduce it to its lowest form in order to understand the concept better. Now, out of the like variables, the same powers will be combined together. Hence, the like variables will be combined together. To simplify an algebraic expression, we just combine the like terms. Here, the numbers that are multiplying the variables are 3, -2/3, and 5.Some examples of terms are 3x 2, -(2y/3), √(5x), etc. A term is a variable alone (or) a constant alone (or) it can be a combination of variables and constants by the operation of multiplication or division.Some examples of constants are 3, 6, -(1/2), √5, etc. On the other hand, a symbol that has a fixed numerical value is called a constant.Some examples of variables in Math are a,b, x, y, z, m, etc. In the above example that involved matchsticks, n is a variable and in this case, it can take the values 1,2,3. a symbol that doesn't have a fixed value is called a variable.Let us have a look at the image given below in order to understand the concept of Variables, Constants, Terms, and Coefficients of any algebraic expression. There are different components of an algebraic expression. Variables, Constants, Terms, and Coefficients Let us learn more about algebraic expressions along with their types and operations on them. Here, 4+ 3(n-1) is called an algebraic expression. From this, they concluded that they need 4+ 3(n-1) sticks, in general, to make a pattern with n number of 4's. They realized that they can keep on adding 3 matchsticks in each round to make one extra "four". Natalie added three more matchsticks to form a pattern with two 4's. James took four matchsticks and formed the number 4. For example, let us assume that James and Natalie were playing with matchsticks and thought of forming number patterns using them. are operated upon on variables and constants. Algebraic expressions are the mathematical statement that we get when operations such as addition, subtraction, multiplication, division, etc.