A8. Which of the following quadratic equations has two positive solutions?

![](https://cdn.mathpix.com/cropped/2024_06_07_bbf95781e2fd378a6604g-04.jpg?height=314&width=326&top_left_y=2247&top_left_x=1593)
(A) $x^{2}+2 x-8=0$
(B) $x^{2}+5 x+6=0$
(C) $x^{2}+x-2=0$
(D) $x^{2}-5 x+6=0$
(E) $x^{2}+2 x+1=0$
A8. The equation $x^{2}-5 x+6=(x-2)(x-3)=0$ has two positive solutions 2 and 3.

## FURTHER PROBLEMS