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Alekssandra [29.7K]
3 years ago
6

Factor 2x2 + 6x - 108.

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0
2(x-6)(x+9)
Answer is B
brilliants [131]3 years ago
4 0

Answer:

b) 2(x-6)(x+9)

Step-by-step explanation:

2x^2+6x-108

Factor out the 2, common factor!!!

2 (x^2 +3x -54)

Now time to factor, what to numbers multiply to get -54 and add to get 3

6,9 look good

what combination???

9,-6 because 9-6 = 3 and 9x-6=-54

so

2(x-6)(x+9)

From what I'm use to you put the 2 back in by dividing the numbers but in this case you dont need to.

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