Question

The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.

Answer 1

Answer:

Completing the square.

Step-by-step explanation:

ax2 + bx + c has "x" in it twice, which is hard to solve.

But there is a way to rearrange it so that "x" only appears once. It is called Completing the Square