# How do you find the c that makes the trinomial #x^2-7x+c# a perfect square?

##### 2 Answers

Aug 19, 2017

#### Answer:

#### Explanation:

In the above see the relation between middle term and the last term: What do you need to do to

divide by

Now in this case:

Aug 19, 2017

#### Answer:

#### Explanation:

If a trinomial of the form

In

i.e.

or

and then