Bonjour,
(8x - 1)(8x - 1) + (8x - 1)
= (8x - 1)(8x - 1) + 1(8x - 1)
= (8x - 1)(8x - 1 + 1)
= 8x(8x - 1)
Bonne journée !
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Bonjour,
(8x - 1)(8x - 1) + (8x - 1)
= (8x - 1)(8x - 1) + 1(8x - 1)
= (8x - 1)(8x - 1 + 1)
= 8x(8x - 1)
Bonne journée !