Question

5^x + 5^x+1 = 150 find value of x​

Answer 1

Answer:

∴ x =2

Step-by-step explanation:

solution,

  5^x + 5^x+1 = 150

or, 5^x + 5^x × 5^1 = 150

or, 5^x ( 1 + 5^1) = 150

or, 5^x ( 1+5) = 150

or, 5^x × 6 = 150

or, 5^x  = 150/ 6

or,5^x = 25

or, 5^x = 5²

∴ x = 2