Factorize
a^2 -1- 2b - b^2
Answers
Answered by
1
Answer:
(a + b + 1) × (a - b - 1)
Step-by-step explanation:
a² - 1 - 2b - b²
= a² - (1 + 2b + b²)
= a² - (1² + 2×1×b + b²) [(a + b)×(a - b) = a² - b²]
= a² - (b + 1)²
= (a + b + 1) × (a - b - 1)
Hope it helps
Similar questions