Mathematics, 04.06.2020 13:23 Crtive5515
21:20
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
6x² +24x - 7
6(x²+4x) -7
6(x²+4x+4) - 3+24
6(x+2)²-27
Step 3
Step 4
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21:20
In which step did Yvonne first make an error?
Yvonne is solving the quadratic equation...
Yvonne is solving the quadratic equation...
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