lindseye
lindseye lindseye
  • 21-03-2017
  • Mathematics
contestada

Just number 14 please

Just number 14 please class=

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itapons
itapons itapons
  • 21-03-2017
no idea sorry sist 
its difficult

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irspow
irspow irspow
  • 21-03-2017
1085=(x+10)(x+6)

1085=x^2+16x+60

x^2+16x-1025=0

x^2+41x-25x-1025=0

x(x+41)-25(x+41)=0

(x-25)(x+41)=0,  since x>0

x=25

Therefore the table is a 25" square.
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