Answers

2014-08-01T19:39:13+05:30
  • Brainly User
2014-08-01T19:43:19+05:30
(9x+2)(4x^2+36x-x-9)=0
(9x+2)  { 4x(x+9)-1(x+9)}=0
(9x+2)(4x-1)(x+9)=0
x=-2/9,1/4,-9
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