Factor
\left(x-4y\right)\left(2x-5y\right)
Evaluate
\left(x-4y\right)\left(2x-5y\right)
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2x^{2}-13yx+20y^{2}
Consider 2x^{2}-13xy+20y^{2} as a polynomial over variable x.
\left(2x-5y\right)\left(x-4y\right)
Find one factor of the form kx^{m}+n, where kx^{m} divides the monomial with the highest power 2x^{2} and n divides the constant factor 20y^{2}. One such factor is 2x-5y. Factor the polynomial by dividing it by this factor.
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