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Factor polynomial $$ 16xy^{4}-32x^{5}y+20x^{2}y^{2} $$
Answer
$$ 16xy^{4}-32x^{5}y+20x^{2}y^{2} = 4xy(4y^{3}-8x^{4}+5xy) $$
Explanation
Factor out common factor $ \color{blue}{ 4xy } $:
$$ 16xy^4-32x^5y+20x^2y^2 = 4xy ( 4y^3-8x^4+5xy ) $$