Resposta:
# (- 3x ^ 3-12x ^ 2-6x + 5) / (5x + 2) = #
# -3 / 5x ^ 2-54 / 25x-42/125 + (709/125) / (5x + 2) #
Explicació:
# "" "" "" "" subratlla (-3 / 5x ^ 2-54 / 25x-42/125) #
# 5x + 2 | ~ -3x ^ 3-12x ^ 2-6x + 5 #
# "" "" "" "" subratllat (-3x ^ 3-6 / 5x ^ 2) #
# "" "" "" "" "" "" "-54 / 5x ^ 2-6x + 5 #
# "" "" "" "" "" "" subratlla (-54 / 5x ^ 2-108 / 25x) #
# "" "" "" "" "" "" "" "" "" "-42 / 25x + 5 #
# "" "" "" "" "" "" "" "" "" subratlla (-42 / 25x-84/125) #
#' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '709/125#
Déu beneeixi … Espero que l’explicació sigui útil
