# How do you factor 64 - 4x^2?

##### 1 Answer

We have that

$64 - 4 {x}^{2} = {\left(8\right)}^{2} - {\left(2 x\right)}^{2} = \left(8 - 2 x\right) \cdot \left(8 + 2 x\right)$