Question

Solve (x+3)^4+(x+5)^4=16.

Answer 1

Answer:

x = -3

Step-by-step explanation:

(x + 3)^4 + (x + 5)^4 = 16

=> (x + 3)^4 + (x + 5)^4 = (2)^4

=> x + 3 + x + 5 = 2

=> 2x + 8 = 2

=> 2x = 2 - 8

=> 2x = -6

=> x = -6/2 = -3