Answer:
3x²y²(1 - 4xy²z)
Explanation:
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Factor 3 out of 12
Factor x² out of x³
Factor y² out of y⁴
you will get the GCF of 3x²y² and left with (1 - 4xy²z)
3x²y²(1 - 4xy²z)
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Hoped this helped