Question

(6x – y) – 2(3x – 5y) si x = 2, y = –3

Answer 1

Respuesta:

(6x – y) – 2(3x – 5y)

reemplazas:

(6(2) – (-3)) – 2(3(2) – 5(-3))

(12 + 3) – 2(6 – (-15))

15 – 2(21)

15 - 42

= -27

Answer 2

Respuesta:

(6(2)-(-3)) -2(3(2)-5(-3))

(12+3)-2(6+15)

15-2(21)

15-42

-27