Practice problem
Solve for xxx in 13x=5x2+813x = 5x^2 + 813x=5x2+8.
x=−13±910x=\frac{-13\pm\sqrt{9}}{10}x=10−13±9
x=13±910x=\frac{13\pm\sqrt{9}}{10}x=1013±9
x=13±12910x=\frac{13\pm\sqrt{129}}{10}x=1013±129
Type a concept, like “slope” or “photosynthesis”.
