# How do you solve #4x^2 - 16 = 0#?

##### 2 Answers

#### Explanation:

- Add
#16# to both sides to get#4x^2=16# - Divide both sides by
#4# to get#x^2=4# - Find the square root of both sides to get
#x = +-2#

Apr 24, 2018

#### Explanation:

**difference of squares property**

Here, we can take the square root of

Thus,

We can factor a

Setting the factors equal to zero, we get

Hope this helps!