4x^2-5x-12=0

Frequently Asked Questions

• Solve using the quadratic formula of $4x^2-5x-12=0$

  

  $$x_1=\frac{5-\sqrt{217}}{8},x_2=\frac{5+\sqrt{217}}{8}$$

• Solve by completing the square of $4x^2-5x-12=0$

  

  $$x_1=\frac{-\sqrt{217}+5}{8},x_2=\frac{\sqrt{217}+5}{8}$$

• Solve using the PQ formula of $4x^2-5x-12=0$

  

  $$x_1=\frac{5-\sqrt{217}}{8},x_2=\frac{5+\sqrt{217}}{8}$$