# How do you solve #8x^2 - 10x - 25 = 0 #?

##### 1 Answer

Apr 29, 2016

#### Explanation:

Use the new Transforming Method (Google, Yahoo Search)

Transformed equation

The 2 roots of y' have opposite signs because ac < 0.

Factor pairs of (ac = -200) -->...(-5, 40)(-10, 20). This last sum is 10 = -b. Therefor the 2 real roots of y' are: -10 and 20.

Back to original y, the 2 real roots are: