Factorise :
4a² + 12a + 9
Answers
Answered by
82
4a² + 12a + 9
4a² + 6a + 6a+ 9
2a(2a + 3) +3(2a + 3)
(2a + 3) (2a + 3)
a = -3/2
Answered by
0
Answer : (2a+3)²
Solution :
4a² + 12a + 9
=> 4a² + 6a + 6a + 9
=> 2a(2a+3) + 3(2a+3)
=> (2a+3)(2a+3)
=> (2a+3)²
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