a² - b² = (a + b ) __________

Solution:

a² - b² = (a + b ) (a - b)

Given expression is a standard identity.

✦ Try This: a² + 2ab + b² = ______

By using the identity, (a + b)² = a² + 2ab + b²

Hence the required answer is (a + b)²

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 9

NCERT Exemplar Class 8 Maths Chapter 7 Problem 38

a² - b² = (a + b ) __________

Summary:

a² - b² = (a + b ) (a - b)

☛ Related Questions:

• (a - b)² + ____________ = a² - b²
• (a + b)² - 2ab = ___________ + ____________
• (x + a) (x + b) = x² + (a + b) x + ________