Mathematics, 16.05.2020 19:57 ayoismeisjjjjuan

In which step did Yvonne first make an error?
Yvonne is solving the quadratic equation 6x2 + 24x + 7 = 0
by completing the square. Her first four steps are shown in
the table.
Yvonne's Work
Step 1
Step 2
Step 3
Step 4
Step 1
Step 2
[6x² +24x+7-0
6x? +24x - 7
6(x² + 4)-7
6(x2+ -4x+4) -
1-3+24
|6(x+2)² - 27
Step 3
Step 4

Answers: 3

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In which step did Yvonne first make an error?
Yvonne is solving the quadratic equation 6x2 + 2...

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