Question

AYUDA PORFA ES PARA AHORA
A)(×+1).(×-1)=
B) (5×-2).(5×+2)=
C) (×^2+×^7).(×^2-7)=
D)(2×+×^3).(2×+×^3)=
ESTO "^ "ES ELEVADO

Answer 1

Respuesta:

A)

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

B)

$(5x - 2) \times (5x + 2) = {25x}^{2} - 4$

C)

$( {x}^{2} + {x}^{7} ) \times ( {x}^{2} - 7) = 4x - {7x}^{2} + {x}^{9} - {7x}^{7}$

D)

$(2x + 3 {x}^{3} ) \times (2x + {x}^{3} ) = \\ 9 {x}^{6 +} + 12 {x}^{4} + 4 {x}^{2}$