gabodom1211 gabodom1211
  • 08-01-2018
  • Mathematics
contestada

please help this is super important i will love you forever

please help this is super important i will love you forever class=

Respuesta :

jennyli013
jennyli013 jennyli013
  • 08-01-2018
area of deck= 2(20w)+4(w^2)+2(50w)d
456=2(20w)+4(w^2)+2(50w)

456=40w+4w^2+100w

456=4w^2+140w

114=w^2+35w

0=w^2+35w-114

find what 2 numbers multiply to get 114 and add to get 35 and factor

-3 and 38

0=(w-3)(w+38)

set each to zero

w-3=0

w=3
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