# How do you solve #-3x^2 –10 x + 8 = 0 #?

##### 1 Answer

Aug 1, 2015

#### Answer:

Solve y = -3x^2 - 10x + 8 = 0

Ans:

#### Explanation:

y = - 3x^2 - 10x + 8 = 0 (!)

I use the new Transforming Method (Google, Yahoo Search)

Transformed y' = x^2 - 10x - 24. = 0 (2) Roots have opposite signs.

Factor pairs of (-24) --> (-2, 12). This sum is 10 = -b. Then, the 2 real roots of (2) are: -2 and 12.

Back to equation (1). the 2 real roots are: