Question

Find x : 5^x + 5^ x-1 = 750​

Answer 1

Answer:

Wehave

5

x

+5

x−1

=750

5

x

(1+

5

1

)=750

5

x

(

5

6

)=750

5

x

=

6

750×5

5

x

=125×5

5

x

=5

4

∴x=4

Hence,thevalueofx is4.

both answer are same .

Answer 2

Answer:

x=4

Step-by-step explanation:

5^x(1+1/5)=750

5^x(6/5)=750

5^x=750×5/6

5^x=625

5^x=5⁴

x=4