lizzishungry
13.08.2020 •
Mathematics
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
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Ответ:
5
Step-by-step explanation: