[tex]\begin{gathered} \text{the discriminant b}^2-4ac\text{ will not give a p}\operatorname{erf}ectsquare. \\ a=10,\text{ b=19, c=-10} \\ \text{The general expression of a quadratic expression is} \\ ax^2+bx+c \\ so \\ b^2-4ac=19^2-(4\text{ }\times10\times-10)=361\text{ +}400=761 \\ \text{the square root of 761 is 27.586}\ldots.. \\ \text{the fractions shows the discriminant is not a p}\operatorname{erf}ect\text{ square} \end{gathered}[/tex]
so this can only be solved using other methods of solving quadratic equation
such as using
quadratic formular
graphical method
completing the square
so there is no factor for this equation
