Question

please help me
class 8


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Answer 1

OK I am also in class 8

Ans= 9³ × 27 × 81^4

___________

3^-2 ×3^4 × 81²

= 9^x*3^5*27^3/3*81^4=27

=3^2x*3^5*3^9/3*3^16=3^3

=3^2x+5+9-3=3^3

=3^2x+11=3^3=>2x+11=3=>2x=3-11 =-8=>x=-8/2 =-4:. x=-4