Asked by Amy
The length of a rectangular backyard is 7 feet less than four times its width. If the area of this garden is 15 ft2, find the length of the garden?
Answers
Answered by
mary
ur mama jk hahahahaha help me answer my question and ill tellu urs i promise iknow what it is its easy i learned that like 5 months ago. no offense
Answered by
Steve
w(4w-7) = 15
Now, 15=3x5, so try w=3. In that case, the length is 5.
Algebraically,
4w^2 - 7w - 15 = 0
(4w+5)(w-3) = 0
w = 3 or -5/4
Now, 15=3x5, so try w=3. In that case, the length is 5.
Algebraically,
4w^2 - 7w - 15 = 0
(4w+5)(w-3) = 0
w = 3 or -5/4
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