Answer:
10
Explanation:
rewrite as (x+2)⁵
use the binomial formula:
(a+b)⁵ = a⁵ + 5a⁴b + 10a³b² + 10a²b³ + 5ab⁴ + b⁵
a = x, b = 2
The problem is only asking for the coefficient of the x⁴ expression, so the answer is:
5a⁴b = 5(x)⁴(2) = 10x⁴
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