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Roots of quadratic equation 9x2-15x +6 =0 by the method of completing the square are |
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Answer» Step-by-step explanation: 9x^2-15x+6=0 9x^2-15x=-6 9x^2/9-15/9x=-6/9 x^2-15/9x=-6/9 on ADDING (15/18)^2ON both sides x^2-15/9x+(15/18)^2=-6/9+225/324 (x-15/18)^2=-216+225/324 (x-15/18)^2=9/324 x-15/18=±3/18 x1=18/18=1 X2=12/18=2/3 |
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