Question

Можете написать ответ? 9+7х-2х^2

Answer 1

Otvet: -(2x-9) *(x+1)

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$9 + 7x - 2 {x}^{2} \\ - 2 {x}^{2} + 7x + 9 \\ - 2 {x}^{2} + 9x - 2x + 9 \\ - x \times (2x - 9) - 2x + 9 \\ - x \times (2x - 9) - (2x - 9) \\ \bf - (2x - 9) \times (x + 1)$