ini DIBAGI.tolong jawab yaa yg benar

1) 12x³ + 4x²
-------------------
2x²
= (2x²) (6x + 2)
-----------------------
( 2x²)
= 6x + 2

2) x² + 5x + 6
--------------------
( x + 2)
= (x + 2)(x + 3)
----------------------
( x + 2)
= x + 3

3) 2x² - x - 10
--------------------
x + 2
= ( 2x - 5)(x + 2)
------------------------
x + 2
= 2x - 5