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OpenStudy (weasel123):
is 2 √x+5+7=4 extraneous? will give medal and fan
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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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