Question

(3x+ 2)²+ (4x-1)(4x 1)=(5x-1)²

Answer 1

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