SOLUTION: Find the term independent of x in the expansion of (1+x+x-3)7.

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Question 1013211: Find the term independent of x in the expansion of (1+x+x-3)7.
Answer by ikleyn(52795) About Me  (Show Source):
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Find the term independent of x in the expansion of (1+x+x-3)7.
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(1+x+x-3)7 = (-2 + 2x)*7 = -14 +14x.

The term independent of x is -14.