Solving Quadratic Equations by Factoring
Second-degree equation like x2 + x – 156 = 0 and 9 – x2 = 0 are examples of quadratic equations.
QUADEATIC EQUATION
A quadratic equation is an equation equivalent to an equation of the type
ax2 + bx + c = 0, a ≠ 0.
In order to solve equations, we need a new equation-solving principle.