SOLUTION: How do I find the coefficient of x^4 in the binomial expansion of (5+2x)^7 Thanks

Algebra ->  Trigonometry-basics -> SOLUTION: How do I find the coefficient of x^4 in the binomial expansion of (5+2x)^7 Thanks      Log On


   

Question 935354: How do I find the coefficient of x^4 in the binomial expansion of (5+2x)^7
Thanks
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
is: (5)^3(2)^4(7C4) = 70,000
If you need more help or details you can contact me at:
mthman@gmail.com
Thanks