Question

8.Calcula
E = (x - 4 )(x- 2) + (x - 6)(x - 4) - 2x^2

Answer 1

Explicación paso a paso:

$e = (x - 4)(x - 2) + (x - 6)(x - 4) - 2 {x}^{2} \\ e = {x}^{2} - 2x - 4x + 8 + {x}^{2} - 4x - 6x + 24 - 2 {x}^{2} \\ e = - 16x + 32$