taylor5384
29.11.2020 •
Mathematics
If x=-7 is a root of the equation x^2+kx+49=0, then k=
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Ответ:
Step-by-step explanation:
Given:
Substitution can be used to find the value of
:
Hope this helps :)
Ответ:
answer: show picture of the problem
step-by-step explanation: