First, the standard form of a quadratic equation is
ax2 + bx + c = 0 a ≠ 0
Here the only needs are that we have an x2 in the equation. We guarantee that this term will be exist in the equation by needing a ≠ 0 . However, Note that it is okay if b and/or c are zero.
There are several ways to solve quadratic equations. The first two methods won't always work, yet are possibly a little simpler to use while they work. In This section we will cover with these two methods.