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Solve each equation. 4 = x2 -7

Solve each equation. 4 = x2 -7
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4 votes
Solve each equation. 4 = x2 -7

User Moghya
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1 Answer

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x^2-7=4\ \ \ \ |+7\\\\x^2=11\to \boxed{x=\pm√(11)}

User Sam Redway
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