Respuesta:
(x−7)(x−1)
{x}^{2}-x-7x+7
{x}^{2}+(-x-7x)+7
{x}^{2}-8x+7
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Respuesta:
(x−7)(x−1)
{x}^{2}-x-7x+7
{x}^{2}+(-x-7x)+7
{x}^{2}-8x+7