6^4x-3 * 4^3-4x =2.25

Question

6^4x-3 * 4^3-4x =2.25

Answer 1

6^(4x-3)*4^(3-4x)=2,25
6^(4x-3)*4^(-(4x-3))=2,25
6^(4x-3)*(1/4)^(4x-3)=2,25
(6/4)^(4x-3)=2,25
1,5^(4x-3)=1,5²
4x-3=2
4x=5
x=5/4
x=1,25

Answer 2

(6/4)^4x-3)=9/4
(3/2)^4x-3=(3/2)²
4x-3=2
4x=5
x=1,25