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8 Algebraic Expressions

Learning Objectives

After studying this chapter, students will be able to... Scan to learn
 recognise terms, factors and coefficients of a term in an algebraic expression
 classify algebraic expressions as monomial, binomial, trinomial, or polynomial
 identify like and unlike terms
 add, subtract, multiply, and divide the algebraic expressions
 use identities and simplify the algebraic expressions

get ready!

Aman and Ria are planting saplings of tomatoes and brinjals in two different sections of kitchen garden.

How many saplings
have you planted in all?
I planted n saplings in each of the
5 rows. So, there are 5 × n = 5n
saplings in this area.

I planted m saplings in each of the
3 rows and only 4 saplings in the
Great job! So, the total number 4th row. So, there are (3m + 4)
of saplings planted in our saplings in this area.
garden is (5n + 3m + 4).

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