Question

find the value of x. chapter power and exponent​

Answer 1

(4/3)^-4 ×(4/3)^-5 =(4/3)^-3x

so, (4/3)^-4-5=(4/3)^3x

so, -4-5=-3x

therefore, -9=3x

value of x is -9/-3 =3

Answer 2

Since, bases are same

-4+(-5) = -3x

-4-5 = -3x

-9 = -3x

3x = 9

x = 9/3

x = 3. Ans.