Question

Разложите на множетили
2х²-20ху+50у²-2

Answer 1

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$2 {x}^{2} - 20xy + 50 {y}^{2} - 2 = 2( {x}^{2} - 10xy + 25 {y}^{2} - 1) = 2({(x - 5y)}^{2} - 1) = 2(x - 5y - 1)(x - 5y + 1)$