# How do you factor completely #2x^2+50y^2-20xy#?

##### 1 Answer

Aug 28, 2016

#### Explanation:

Separate out the common scalar factor

#2x^2+50y^2-20xy#

#= 2(x^2-10xy+25y^2)#

#= 2(x^2-2(x)(5y)+(5y)^2)#

#= 2(x-5y)^2#