1.

Simplify: (a+3)²-3(2a+3)

Answer»

Answer:

The answer is a²

Step-by-step explanation:

Identity (a+b)² = a² + b² + 2ab

( a + 3 )² - 3 (2A + 3)

= (a)² + (3)² + 2×a×3 - 6A - 9

= a² + 9 + 6a - 6a - 9

= a²



Discussion

No Comment Found