Evaluate the Integral $\int ( 7 x - 2 ) e ^ { - x } \mathrm {~d} x$

Evaluate the integral. $\int ( 7 x - 2 ) e ^ { - x } \mathrm {~d} x$

A) $( - 5 + 7 x ) e ^ { - x } + C$
B) $( 9 - 7 x ) e ^ { - x } + C$
C) $( - 5 - 7 x ) e ^ { - x } + C$
D) $( 5 + 7 x ) e ^ { - x } + C$
E) $( 9 + 7 x ) e ^ { - x } + C$

Correct Answer:

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