# How do you know if #x^2 + 10x + 25# is a perfect square?

##### 3 Answers

Jul 10, 2018

#### Explanation:

Using that

we get

Jul 21, 2018

See below:

#### Explanation:

Perfect square quadratics are of the form

In our case,

We can plug these values into our expression to get

This simplifies to

Solidifying the fact that this is a perfect square, since

Hope this helps!

Jul 21, 2018

Compare given polynomial with the perfect square:

#### Explanation:

Given that

Above expression is in form of **perfect square**