Question

Решите:
(1-3x)^2-x (9x-2)=5

Answer 1

1^2-6х+9х^2-9x^2+2x=5
1-4x=5
-4x=4
x=-1

Answer 2

1-6x+9x^2-9x^2+2x-5=0
-4x=4
x=-1