Question

18x²-(9x+2)(2x-1)=1 решите пж

Answer 1

$18x^2-(9x+2)(2x-1)=1\18x^2-(18x^2+4x-9x-1)=1\18x^2-(18x^2-5x-1)=1\18x^2-18x^2+5x+1=1\5x=1-1\5x=0\x=0$