SOLUTION: Find the real solutions, if any, of the equation 9x2 - 32 = 12x. Use the quadratic formula

Algebra ->  Finance -> SOLUTION: Find the real solutions, if any, of the equation 9x2 - 32 = 12x. Use the quadratic formula      Log On


   

Question 1069113: Find the real solutions, if any, of the equation 9x2 - 32 = 12x. Use the quadratic formula
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
9x^2-12x-32=0
x= (1/18)(12 +/- sqrt (144+1152)); sqrt (1296=36)
x=(1/18)(12+/-36)
x=(48/18) or 2 2/3 of 8/3
x=(-24/18) or -1 1/4 or -5/4
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C9x%5E2-12x-32%29