Question

please solve this and varify the results

Answer 1

$( {x}^{2} - 4xy + {y}^{2} )(x -2y) \\ \\ x = 3 \: \: \: y = 2$

$( {3}^{2} - 4 \times 3 \times 2 + {2}^{2} ) \\ \: \: \: \: (3 - 2 \times 2)$
(9-24+4)(3-4)

(9-28)(3-4)

19x-1= -19

I hope this will help you