Question

The steps to derive the quadratic formula are shown below: Pictures Below

Which of the following statements best describes the first incorrect steps: Pictures Below

Answer 1

steps

Answer 2

Answers

Answer 3

Hmm this is weird.
I don't see any glaring mistakes.
The only one I see, and it's really subtle,
step 6 should be:\[\Large\rm x+\frac{b}{2a}=\pm\sqrt{-\frac{c}{a}+\left(\frac{b}{2a}\right)^2}\]

Oh oh oh nevermind, it's step 5, they didn't write the perfect square correctly.