Factor polynomial $$ x^{2}-25y^{2}-12x-40y+20 $$
Answer
$$ x^{2}-25y^{2}-12x-40y+20 = (x-5y-10)(x+5y-2) $$
Explanation
$ x^2-25y^2-12x-40y+20 $ can be written as
$$ x^2-25y^2-12x-40y+20 = \left( x-5y-10 \right) \left( x+5y-2 \right)$$The explanation for this step cannot be generated.
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