Question

(5/6x^2+3)^2
Помогите пожалуйста

Answer 1

25
--- х^4 + 5х^2+9
36

Answer 2

25/36х⁴+(2*25/36х²*3)+9= 25/36х^4 + 5х^2+9

Answer 3

(5/6х²+3)²= 25/36х⁴+5х²+9