Find the roots of the following quadratic eq. if they exist by completing the square

Asked by sunil_0010 | 21st Jun, 2009, 11:39: AM

Expert Answer:

This equation can be solved very easily by splitting the middle term

10ax2 + 3(5a - 2) x - 9 = 0

10ax2 + 15ax - 6x - 9 = 0

5ax(2x+3)-3(2x+-3)=0

(5ax-3)(2x+3)=0

x=3/5aor x=-3/2

Solution by Completing the square
  

 

Answered by  | 11th Aug, 2009, 01:57: PM

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