Question

Упростите выражение:
4х(3х-10у)(4х+у)(4х-у)

Answer 1

$( {12x}^{2} - 40xy) times ( {16x}^{2} - {y}^{2} )\ {192x}^{4} - {12x}^{2} {y}^{2} - {640}^{3} y + {40y}^{3}$