RS Aggarwal Class 8 Maths Chapter 7 Ex 7.4 Solutions 2022 | Download Free PDF RS Aggarwal Class 8 Maths Chapter 7 Ex 7.4 Solutions: This exercise includes problems based on the factorization by grouping the terms. The students can use these solutions as a helpful study resource to speed up their Class 8th Maths final exam preparation. These solutions include explanations in an easy language to enable the students to grasp the topics quickly & accurately. The students can acquire a better hold on the concepts included in this exercise by solving the problems on regular basis.

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RS Aggarwal Class 8 Maths Chapter 7 Ex 7.4 Solutions

Important Definition for RS Aggarwal Class 8 Maths Chapter 7 Ex 7.4 Solutions

• Factorization by grouping the terms

It means that we need to group the terms with common factors before factoring.

The method of factorization by grouping the terms is given below:

(i) A factor can be taken out from each group from the groups of the given expression.

(ii) Factorize each group

(iii) Then take out the factor common to a group formed.

For instance: Factor grouping the expressions: 1 + a + ac + a2c

Solution: 1 + a + ac + a2c

= (1 + a) + (ac + a2c) = (1 + a) + ac (1 + a) = (1 + a) (1 + ac).

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