Image attached. Please help?

Question

363 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-12-14T21:27:58

#x = 3125 #

We must consider our log laws:

#alpha^( log_alpha beta ) = beta #

Raising each side by #5#:

#5^(log_5 x^3 ) = 5^15 #

#=> x^3 = 5^15 #

#=> x = (5^15)^(1/3) #

#=> x = 5^5 #

#=> x = 3125 #