Question

81 raised to power n minus 1 + 8 is equal to 2 raise to power 2n minus 1​

Answer 1

Answer:

Step-by-step explanation:

1) 81^n + 7 = 2^ 2n - 1

2) 81^n - 2^2n = -7-1

3)9^2n - 2^ 2n= -8

4) (7)^2n = (-2)^3

Hope it helps