Question

pls tell the answer of this with step by step solution ​

Answer 1

Answer:- step by step

all terms which will be a multiple of 5 will come from 225 & 5cube .

225=25×9=5 square*9

let 3^(2x-8)=k

now on rearrangment .

k*5x=5^3*5^2*9

by comparison of powers

5x=5^3*5^2=5(2+3)=5^5

x=5

to cross check u can see that k=9=32

but k=3^(2×-8)

so,2x -8=2;2x=10

so x=5

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