afafathima21
afafathima21 afafathima21
  • 09-03-2021
  • Mathematics
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the area of a rectangle is (4x² - 100) and its width is (x + 5). find the length of the rectangle​

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moraana
moraana moraana
  • 09-03-2021
l*b-4x^2-100
l*x+5=4x^2-100
l=4x^2-100/x+5
L=4x-20
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