math
A homeowner wants to plant a garden in his backyard. He decides to have 375 square feet garden and wants the garden to be 10 feet longer than it is wide. Find the dimensions of the garden.
asked by
cris

L=W+10
area= LW=375
375=W(W+10)
w^2+10W375=0
completing the square
W^2+10w+25=400
(w+5)=20
w=15,L=25posted by bobpursley

width  x ft
length  x+10 ft
solve
x(x+10) = 375
x^2 + 10x  375 = 0
(x+25)(x15) = 0
x = 15 or x = a negative
width: 15 ft
length : 25 ft
check: 15x25 = 375posted by Reiny
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