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Factor polynomial $$ 12x^{7}y^{2}-20x^{6}y^{4}+4x^{4}y^{5} $$
Answer
$$ 12x^{7}y^{2}-20x^{6}y^{4}+4x^{4}y^{5} = 4x^{4}y^{2}(3x^{3}-5x^{2}y^{2}+y^{3}) $$
Explanation
Factor out common factor $ \color{blue}{ 4x^4y^2 } $:
$$ 12x^7y^2-20x^6y^4+4x^4y^5 = 4x^4y^2 ( 3x^3-5x^2y^2+y^3 ) $$