Question 128879
{{{x^2+7x+10=0}}}


5 times 2 is 10,
5 plus 2 is 7,

So
{{{(x+5)(x+2)=0}}}


Therefore x = -5, or x = -2.


Note that the graph of the parabola intersects the x-axis at -5 and -2


{{{drawing(400,400,-6,6,-6,6,
grid(1),
graph(400,400,-6,6,-6,6,x^2+7x+10)
)}}}