(3x+ 2)²+ (4x-1)(4x 1)=(5x-1)²
Там 4x +1 ,4x -1 или шо??
(3x+2)^2 + (16x^2 -1)=(5x-1)^2
9x^2+12x+4+16x^2-1=25x^2-10x+1
22x=-2
x=-1/11