# How do you factor #-2x^2 + 1x + 1#?

##### 1 Answer

Nov 7, 2015

- Set the expression = 0 and use the ABC formula
- Find factors by using
#(x - x_1)(x-x_2)#

#-2x^2 + x + 1 = (x+1/2)(x-1)#

#### Explanation:

Start by setting the expression equal to zero, then use the ABC-formula.

The ABC-formula is:

Insert the values for a, b and c (which are the coefficients(red) in your expression:

Put these values into