# How do you solve #-2x ^ { 2} = 2x - 4#?

##### 2 Answers

#### Answer:

#### Explanation:

rearrange to

divide by 2

factorise

giving

#### Answer:

#### Explanation:

To solve this, you first need to put everything on one side:

From here, we can factor

Dividing by two, we get:

This can then be factorised by finding two numbers that multiply to get

Now, you have two things multiplied together that equal

OR

So, the solution to this equation is