Find the roots by completing the square.
1) 4x^2+ 4 root 3x +3 =0
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4x²+4✓3x+3=0
4x²+2✓3x+2✓3x+3=0
2x(2x+✓3)+✓3(2x+✓3)=0
(2x+✓3)(2x+✓3)=0
2x=0-✓3
x=(-✓3/2)
ANS.....
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