# How do you solve #x^2 +11x+30=0#?

##### 1 Answer

Jul 14, 2016

#### Explanation:

We need to factorise first.

Find factors of 30 which add up to 11. The signs in the brackets will be the same, both positive.

#(x+5)(x+6) = 0

We are multiplying two factors and getting the answer 0, Therefore one of the factors must be 0.