(ii) (x - 2)(x + 2) + 3.
Answers
Answered by
0
Answer:
x²-1
Step by step explanation:
(x - 2)(x + 2) + 3
= (x)² - (2)² + 3 [Using a²-b² = (a+b)(a-b) formula]
= x² - 4 + 3
= x²-1
Similar questions