pheoeobe2533 pheoeobe2533
  • 10-10-2017
  • Mathematics
contestada

A rectangle has length x+9 and width 2x-1 what are the areas of the rectangle

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kritter1
kritter1 kritter1
  • 10-10-2017
Area=l*w 

a=(x+9)(2x-1) <--- Use FOIL 

a=2x²-x+18x-9 
a=2x²+17x-9 

Hope I helped :) 
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