Question

(2 - x)(2 + x)(x - 1) + x²(x - 1)​

Answer 1

Ответ:

(х-1)×((2-х)×(2+х)+х²)

(х-+)×(4-х²+х²)

(х-1)×4

4(х-1)

Answer 2

$(2 - x)(2 + x)(x - 1) + {x}^{2} (x - 1) = \\ = (4 - {x}^{2} )(x - 1) + {x}^{2} (x - 1) = \\ = (x - 1)(4 - {x}^{2} + {x}^{2} ) = 4(x - 1) = 4x - 4$