heaven95 heaven95
  • 08-10-2019
  • Mathematics
contestada

a) (s – 8) – (s + 4)

Respuesta :

hapsabhuiyan767
hapsabhuiyan767 hapsabhuiyan767
  • 08-10-2019

(s-8)-(s+4) [the minus turned everything negative inside the parenthesis)

=s-8-s-4 [ + and - combines and becomes neutral, meaning turns 00, so +s and -s becomes 0]

= -12

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