Question

Преобразуйте в многочлен!!

Answer 1

$\displaystyle 12x(x-2)-(3x+1)(4x-1)=12x^2-24x-(12x^2-3x+4x-1)=12x^2-\\ \\ 24x-(12x^2+x-1)=12x^2-24x-12x^2-x+1=1-25x$