Here are two steps from the derivation of the quadratic formula,
2
2
x² + b
&...
Mathematics, 09.06.2020 20:57, davidoj13
Here are two steps from the derivation of the quadratic formula,
2
2
x² + b
& 2 x +
2
2
+
C
2a
6
2a
What took place between the first step and the second step?
O A. Factoring a perfect square trinomial
B. Taking the square root of both sides
C. Completing the square
Answers: 3
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