3. If the two roots $\alpha, \beta$ of the quadratic equation $x^{2}-x+1-m=0$ satisfy $|\alpha|+|\beta| \leqslant 5$. What is the range of the real number $m$?
(笭: $\frac{3}{4} \leqslant m \leqslant 7$ )

(Reed: $\frac{3}{4} \leqslant m \leqslant 7$ )