\[ y'(x)^2-(x+1) y'(x)+y(x)=0 \] ✓ Mathematica : cpu = 0.003448 (sec), leaf count = 18
DSolve[y[x] - (1 + x)*Derivative[1][y][x] + Derivative[1][y][x]^2 == 0,y[x],x]
\[\left \{\left \{y(x)\to c_1 x-c_1{}^2+c_1\right \}\right \}\] ✓ Maple : cpu = 0.022 (sec), leaf count = 22
dsolve(diff(y(x),x)^2-(1+x)*diff(y(x),x)+y(x) = 0,y(x))
\[y \left (x \right ) = \frac {\left (1+x \right )^{2}}{4}\]