DrCoke55 DrCoke55

12-12-2017
Mathematics

contestada

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

Respuesta :

Edufirst Edufirst

12-12-2017

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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