Formula deep page
(a+b)² Identity
(a+b)^2 = a^2 + 2ab + b^2
This formula belongs to the chapter "Algebraic Expressions and Identities" in Class 8 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
(x+5)² = x²+10x+25. (2+3)²=4+12+9=25=5² ✓