Question

Find the value of x for which (5)-4  x (5)-5  = (5)3x ​

Answer 1

Answer:

base is same

therefore -4-5=3x

-9=3x

x= -3

Answer 2

LHS

(5×-4)(5×-5)

-20 × -25

=500

RHS

(5)3x

equation

(5)3x=500

3x=500÷5

3x=100

x=100÷3

x=33.3333333333333

here in value of x 3 will repeat continuously because it is terminating decimal