rntaran2002
rntaran2002 rntaran2002
  • 02-10-2018
  • Mathematics
contestada

(w-9)8 need help please

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amycrossx
amycrossx amycrossx
  • 02-10-2018
You need to expand the brackets eg.
(w-9)8 basically means 8 x (w-9) = 8w-72
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