400=(2x)(2x)

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Solution for 400=(2x)(2x) equation: 



400=(2x)(2x)

We move all terms to the left:

400-((2x)(2x))=0

determiningTheFunctionDomain
-2x2x+400=0

We move all terms containing x to the left, all other terms to the right

-2x2x=-400

x=-400/1

x=-400

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