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Question #86352

1 Answer

Amelia P. · 1s2s2p

Jan 18, 2018

#4(x+sqrt(2))(x-sqrt(2))#

Explanation:

You would factor the 4 from #4x^2-8# and get #4(x^2 -2)#.

Inside the brackets is #x^2-2#.

#x^2-a=(x+sqrt(a))(x-sqrt(a))#

#4(x+sqrt(2))(x-sqrt(2))#

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