2 3*x + 35*x - 38
3*x^2 + 35*x - 38 при x = 1/4
3*x^2 + 35*x - 38
3*(1/4)^2 + 35*(1/4) - 38
3*(1/4)^2 + 35/4 - 38
-465/16
-38.0 + 3.0*x^2 + 35.0*x
-38 + x*(35 + 3*x)
(-1 + x)*(38 + 3*x)