Answer:
4x²(4 +xy)
Explanation:
You want the factored form of 16x² +4x³y.
Common factors
The coefficients 16 and 4 have a greatest common factor of 4.
The variable expressions x² and x³y have a greatest common factor of x².
These common factors can be factored out:
16x² +4x³y = 4x²(4 +xy)
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