Question

Уравнение:
9х(х+6)- (3х+1) ²=1

Answer 1

9x²+54-(9x²+1)=1
9x²+54-9X²-1=1

Answer 2

x=24

Answer 3

не верно решено

Answer 4

(9x+54)x-(3x+1)^2-1=0
9x^2+54x-(3x+1)^2-1=0
9x^2+54x-(9x^2+6x+1)-1=0
9x^2+54x-9x^2-6x-1-1=0
54x-6x-1-1=0
48x-1-1=0
48-2=0