Answer:
Step-by-step explanation:
(8)^(x+2) = 4 common base is '2' ===> 8 is 2^3 and 4 is 2^2
(2^3) ^(x+2) = 2^2
2^(3x+6) = 2^2 Now you can just equate the exponents
3x+6 = 2 Now, solve for 'x' ....subtract 6 from both sides
3x= - 4 Divide both sides by 3
x = - 4/3