- A
- B
- C
- D
Step-by-Step Solution
Area = length × breadth = square metres. The middle term is , so − has the sign the wrong way round; adding 2 + 3 gives ; multiplying only the first and last terms gives .
Answer: C)
A rectangular hall is m long and m wide. Write an expression for its area.
Class 8Algebraic Expressions and IdentitiesAlgebra
Key idea: Adding and subtracting expressions
Combine **like terms only** — same variables and same powers.
Example: .
For subtraction, distribute the minus sign first:
.
Example: .
For subtraction, distribute the minus sign first:
.
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