anonymous
  • anonymous
The length of a rectangle is 7 units more than its width. If the width is doubled and the length is increased by 2, the area is increased by 42 square units. The width is how many units and the length is how many units?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
l = 7+w lw+42 = 2w*(l+2) lw + 42 = 2wl + 2w wl +2w = 42 w(7+w) + 2w - 42 = 0 w^2 + 9w -42 = 0 Then solve for w & l :D
anonymous
  • anonymous
ehhhh..... just tell me the answer please im odee tired :)

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