Answer:
1,3,5,6
Step-by-step explanation:
The axis of symmetry is X= -0.9999995
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The greatest common factor is 6. Thus means we divide every part of the expression by 6.
6x^2/6 = x^2
42x/6 = 7x
-18/6 = -3
Your new expression is 6(x^2 + 7x -3).