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Michaela Solis
Mathematics
11 September, 06:28
Solve each question for x.
xe^-x+7e^-x=0
+1
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1
)
Lola Hartman
11 September, 06:49
0
x=-7
Step-by-step explanation:
xe^-x+7e^-x=0
factor out the e^-x
e^-x (x+7) = 0
e^-x=0, x+7=0
-x=ln (0), x=0-7=-7,
since ln (0) is undefined,
the only solution is - 7.
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