Mathematics for IGCSE & O level - Equations (Section 3 - No. 3)

What should be done after factoring a quadratic equation such as x² - 5x + 6 = 0?

Multiply both sides of the equation by -1.

Use the quadratic formula.

Set each factor equal to zero and solve for x.

Combine the factors.

Set each factor to zero to find the solution of x.