SOLUTION: Factor Completely- remember to take out the GCF first. 1. xz+xw+yz+yw My attempt: 2(x+z+w+y) then once again I have no idea? Please help thanks:)

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Question 358202: Factor Completely- remember to take out the GCF first.
1. xz+xw+yz+yw
My attempt: 2(x+z+w+y)
then once again I have no idea?
Please help thanks:)

Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
grouping ___ (xz + xw) + (yz + yw)

factoring ___ x(z + w) + y(z + w)

rearranging ___ (x + y)(z + w)

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