Suhayb981
29.06.2019 •
Mathematics
Find the solution set. (x+7)(x+7)=0
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Ответ:
For this case we must find the solution of the following expression:
If we isolate a term and we equate to zero, we have:
Subtracting 7 on both sides of the equation we have:
Thus, the solution of the expression is given by:
Ответ:
the answer is d cf perpendicular ae