SOLUTION: What is the coefficient of x^7 in the expansion of (2x+10)^10 ?

SOLUTION: What is the coefficient of x^7 in the expansion of (2x+10)^10 ?

Algebra.Com

Question 1103941: What is the coefficient of x^7 in the expansion of (2x+10)^10 ?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The term that includes is,

.
.
.

So the coefficient is,

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