dla-kazdej-liczby-rzeczywistej-wyrazenie-leftx-1right2-left2-xright2-jest-rowne

$2x-3$2x-3

$2x^2-6x-3$2x^2-6x-3

$\left(2x-3\right)^{2}$\left(2x-3\right)^{2}

$9$9