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Answer:
B. 2 +3x
Step-by-step explanation:
The greatest common factor of 12 and 18 is 6:
12 = 6×2
18 = 6×3
The greatest common factor of x² and x is x². Factoring out the greatest common factors, we have ...
12x² +18x³ = 6x²(2 +3x)
The factors are 6x² or (2 +3x). The last of these is an answer choice.
2 +3x is a factor
