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loudenalexisp56lp0
04.03.2020 •
Mathematics
Which equation has the same solutions as x^2+6x−7=0?
Question options:
(x+3)^2=2
(x−3)^2=2
(x+3)^2=16
(x−3)^2=16
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Ответ:
Step-by-step explanation:
The given equation is
To find the equation that has the same solution, we complete the square.
Add the square of half the coefficient of x to both sides
This becomes:
Factor the first three terms to get a perfect square;
The correct answer is C
Ответ:
i don’t know this answer