# How do you find the roots, real and imaginary, of #y= x^2 - 3x + 4-(x-1)^2 # using the quadratic formula?

##### 1 Answer

Mar 25, 2016

The root is:

#### Explanation:

Observe here you have two binomial so the **recipe** is

a) Expand the 2nd binomial

b) simplify the combined binomial and get the resultant

c) Find roots using

Let's apply the **recipe**:

a) Expand:

b) Simplify:

c) Find root:

**Remark** : You said using quadratic formula, notice you did not need it here, because the polynomial was reduced to 1st order via simplification