(3x+2)²+(4x+1)*(4x-1)=(5x-1)²

Question

(3x+2)²+(4x+1)*(4x-1)=(5x-1)²

Answer 1

(3x+2)²+(4x+1)(4x-1)=(5x-1)²
9x²+12x+4+(16x²-1)=25x²-10x+1
9x²+12x+4+16x²-1=25x²-10x+1
9x²+12x+16x²-25x²+10x=1-4+1
22x=-2
x=-2:22
x=-1/11
Ответ:x=-1/11