Question

(_3) n +1×(_3)5=_(3)_4​

Answer 1

Answer:

if question is

3n +15=12

3n=-3

n=-1

or

If the question is

_3n+_15=12(_)²

let(_)= X

so

3nx+15x=12x²

nx+ 5x= 4x²

n+5=4x

(n+5)/4=X

Answer 2

Answer:

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