Question 1 (ii) - Adding and Subtracting Like terms - Worksheet - Chapter 10 Class 7 Algebraic Expressions
Last updated at Dec. 16, 2024 by Teachoo
Adding and Subtracting Like terms - Worksheet
Question 1 (i)
You are here
You are here
Chapter 10 Class 7 Algebraic Expressions
Serial order wise
- Ex 10.1
- Ex 10.2
- Examples
-
Adding and Subtracting Like terms - Worksheet
- Observing patterns
Transcript
Question 1 Simplify combining like terms: (ii) – z2 + 13z2 – 5z + 7z3 – 15z – z2 + 13z2 – 5z + 7z3 – 15z = 7z3 − z2 + 13 z2 − 5z − 15z = 7z3 + z2 (−1 + 13) – z (5 + 15) = 7z3 + z2 (13 − 1) − z (5 + 15) = 7z3 + z2 (12) − z(20) = 7z3 + 12z2 − 20z
