Factorise :
4a² + 12a + 9
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Answered by
101
4a² + 12a + 9
4a² + 6a + 6a+ 9
2a(2a + 3) +3(2a + 3)
(2a + 3) (2a + 3)
a = -3/2
Answered by
0
Step-by-step explanation:
4a²+12a+9
4a²+6a+6a+9
2a(2a+3)+ 3(2a+3)
x=2a+3, 2a+3
a=-3/2, --3/2
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