Mathematics, 10.06.2021 23:20 jamarishayw
The first few steps in solving the quadratic equation 8x2 + 80x = −5 by completing the square are shown.
8x2 + 80x = −5
8(x2 + 10x) = −5
8(x2 + 10x + 25) = −5 +
Which number is missing in the last step?
−200
−25
25
200
Answers: 2
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The first few steps in solving the quadratic equation 8x2 + 80x = −5 by completing the square are sh...
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