richardgibson2005
24.03.2021 •
Mathematics
Select the correct answer.
Which equation could be solved using this application of the quadratic formula?
-2 + 22 – 4(1)(-4)
2(1)
A. x2 + 1 = 2x-3
B.x2 - 2x - 1 = 3
C. x2 + 2x-1 = 3
D.x2 + 2x - 1 = -3
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Ответ:
a
Step-by-step explanation:
I think not sure