Question

Find x such that: (7/4)⁻³x (7/4)⁻⁵=(7/4)³ˣ⁻²​

Answer 1

Answer:

x=-2

Step-by-step explanation:

(7/4)power-3×(7/4)power-5

a power m×a power n=a power m+n

=(7/4)power-3-5

=(7/4)power -8=(7/4)power 3x-2

Bases are equal ,so powers must be equal

-8=3x-2

3x=-8+2

3x=-6

x=-2

I hope this answer may help you