Which expression can be written as x + 4 = x^2? Assume x > 0

asked May 21, 2018 19.8k views

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x+4=x^2
Root both sides

$√(x+4) = \sqrt{x^(2) }$
Simplify the right side to get x.

Final answer: C

Kiseok answered May 27, 2018

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