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Mathematics 7 Online
OpenStudy (weasel123):

is 2 √x+5+7=4 extraneous? will give medal and fan

OpenStudy (mathmale):

The equation itself is not extraneous. However, if you find solutions (x-values) one of them may be extraneous. In that case the equation would not be true.

OpenStudy (weasel123):

thank you

OpenStudy (mathmale):

2 √x+5+7=4 Please simplify the equation as much as possible. First, combine: +5+7. Write the new form of this equation.

OpenStudy (weasel123):

2√x+12=4

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