Answers

  • Brainly User
2015-06-04T10:25:30+05:30
4x²-12x-9 = 0
4x²-6x-6x-9 = 0
2x(2x-3)-3(2x-3)=0
(2x-3)(2x-3)=0
(2x-3)²=0
2x-3=0
2x=3
x=3/2 
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