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Sagot :
lets width od field is x , x>0 (if x<0 it is no sense) yards and length is (x+40)yards
So square of field is x(x+40)=6000
x²+40x=6000
x²+40x-6000=0
(x+100)(x-60)=0
x₁=-100 no sense
x₂=60 yards - width of field
x+40=x+60=100 yards - length of field
Answer: 60 yards - width of field, 100 yards - length of field
So square of field is x(x+40)=6000
x²+40x=6000
x²+40x-6000=0
(x+100)(x-60)=0
x₁=-100 no sense
x₂=60 yards - width of field
x+40=x+60=100 yards - length of field
Answer: 60 yards - width of field, 100 yards - length of field
A= l x w
x= width
x + 40 = length
6000= x (x+40)
0= x^2 + 40x-6000)
0= ( x+100) (x-60)
0nly need the positive root, lengths are not negative
x-60=0
x= 60 yds width
60+40= 100 yds. length
Hope this helps
x= width
x + 40 = length
6000= x (x+40)
0= x^2 + 40x-6000)
0= ( x+100) (x-60)
0nly need the positive root, lengths are not negative
x-60=0
x= 60 yds width
60+40= 100 yds. length
Hope this helps
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