Class 8 / CBSE Maths / Algebraic Expressions and Identities / Algebraic Expressions and Identities

Algebraic Expressions and Identities

Addition and Subtraction of Algebraic Expressions In earlier classes, we have already become familiar with what algebraic expressions (or simply expressions) are. Examples of expressions are: &

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Class 8 / CBSE Maths / Algebraic Expressions and Identities / Algebraic Expressions and Identities

Algebraic Expressions

Multiplication of Algebraic Expressions:Introduction (i) Look at the following patterns of dots                             &n

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Class 8 / CBSE Maths / Algebraic Expressions and Identities / Algebraic Expressions and Identities

Algebraic Expressions

Multiplying a Monomial by a Monomial Expression that contains only one term is called a monomial. Multiplying two monomials : We begin with 4 × x = x + x + x + x = 4x as seen earlier.

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Class 8 / CBSE Maths / Algebraic Expressions and Identities / Algebraic Expressions and Identities

Algebraic expressions and Identities

Multiplying a Monomial by a Polynomial Expression that contains two terms is called a binomial. An expression containing three terms is a trinomial and so on. In general, an expression containing,

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Class 8 / CBSE Maths / Algebraic Expressions and Identities / Algebraic Expressions and Identities

Algebraic Expressions

Multiplying a Polynomial by a Polynomial Multiplying a binomial by a binomial: Let us multiply one binomial (2a + 3b) by another binomial, say (3a + 4b). We do this step-by-step, as we did in ea

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