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Factor polynomial $$ 28u^{5}v^{5}+20u^{7}v^{2}+36u^{5} $$
Answer
$$ 28u^{5}v^{5}+20u^{7}v^{2}+36u^{5} = 4u^{5}(7v^{5}+5u^{2}v^{2}+9) $$
Explanation
Factor out common factor $ \color{blue}{ 4u^5 } $:
$$ 28u^5v^5+20u^7v^2+36u^5 = 4u^5 ( 7v^5+5u^2v^2+9 ) $$