Question

(2x-1) ²= x(x+2)-3. Тендеу​

Answer 1

$(2x - 1) {}^{2} = x(x + 2) - 3 \\ 4x {}^{2} - 4x + 1 {}^{2} = x {}^{2} + 2x - 3 \\4x {}^{2} - 4x + 1 - x {}^{2} - 2x + 3 = 0 \\ 3x {}^{2} - 6x + 4 = 0$