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krok68 [10]
4 years ago
7

Complete this statement 15a^2 x^2+12a^2 x+9a^2=3a^2( ? )

Mathematics
1 answer:
Shkiper50 [21]4 years ago
4 0
You have to extract common factor 3a^2

=> 3a^2 (5 x^2 + 4x + 3)

If you need help to know where each term inside the parenthesis come from, this is hoy you do it:

15a^2x^2
------------- = 5x^2
    3a^2

12a^2x
----------- = 4x
  3a^2
   
9a^2
-------- = 3
3a^2

Answer: 3a^2 (5x^2 + 4x + 3)
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