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angie1281
08.01.2020 •
Mathematics
Which of the following is equivalent to the quadratic equation below after completing the square?
x^2+4x=0
a. (x+4)^2=4
b.(x+2)^2=16
c.(x+4)^2=8
d.(x+2)^2=4
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Ответ:
x^2 + 4x + 4 = 0 + 4
(x + 2)^2 = 4
Ответ:
hh
Step-by-step explanation: