Ответ:
9y² + 17y -2 = (y + 2)(9y - 1)
Объяснение:
9y² + 17y -2 = 9y² + 18y - y - 2 = (9y² + 18y) - (y + 2) =
= 9y(y + 2) - (y+2) = (y + 2)(9y - 1)
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Ответ:
9y² + 17y -2 = (y + 2)(9y - 1)
Объяснение:
9y² + 17y -2 = 9y² + 18y - y - 2 = (9y² + 18y) - (y + 2) =
= 9y(y + 2) - (y+2) = (y + 2)(9y - 1)