# NCERT Class 9 Mathematics Solutions: Chapter 9 – Algebraic Expressions and Identities Exercise 9.5 Part 6

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**Question 7:** Using

(i)

(ii)

(iii)

(iv)

**Answer:**

**(i)**

**(ii)**

**(iii)**

**(iv)**

**Question 8:**

Using

(i)

(ii)

(iii)

(iv)

**Answer:**

**(i)**

**(ii)**

**(iii)**

**(iv)**