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Kitty613 Kitty613
  • 26-10-2014
  • Mathematics
Answered

Solve for 4x^2+81=36x using the quadratic formula

Verified Answer :

konrad509
konrad509 konrad509
  • 26-10-2014

\(4x^2+81=36x\\ 4x^2-36x+81=0\\ (2x-9)^2=0\\ 2x-9=0\\ 2x=9\\ x=4.5\)

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