Question

Find value of x , if 3^(x – 3) x 7^(2x – 8) = 441​

Answer 1

Answer:

x = 5

Step-by-step explanation:

3^(x-3) × 7^(2x-8) = 441

=> 3^(x-3) × 7^(2x-8) = 3^2 × 7^2

When the bases are same, we equate the powers.

=> x-3 = 2

=> x = 2+3

=> x = 5