For what values of p,the equation 9x²+6px+4=0 has equal roots?​

1 thought on “For what values of p,the equation 9x²+6px+4=0 has equal roots?​”

1. Answer:

   Equal roots mean D=0

   D= b²-4ac => 6p²-4(9)(4)=0

   D= 36p²-144=0

   36(p²-4)=0

   (p²-4)=0/36

   (p²-4)=0

   p²=4

   p=2

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