Answer
The student didn't subtract 100 from 0.
The next step should have been $x^2 = -100$.
Work Step by Step
There is no solution to the correct equation $x^2 = -100$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 552: 51
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