Problem: How to solve quadratic equations with the " transforming method " 
Recall the rule of signs. 
If a and c have different signs, roots have different signs if a and c have same sign, roots have same sign. If a and b have different signs, both roots are positive.

Answer: If a and b have same sign, both roots are negative. Transform the equation in standard form ax^2 + bx + c = 0 (1) into a new equation, with a = 1, and the constant c = a * c.


Problem: She then keeps adding more sand to the hill. Then a little boy joins her and just touches the hill, but walks away. he

Answer: then comes back again to point at the hill.


Problem: Someone hands her a cup and she drinks it, then they work on tattooing her tongue. A rod is inserted into her tonue and clipped, creating a piercing. she


Answer: sticks out her tongue at the camera, showing off her piercing.