Pergunta

Solve the equation by finding square roots. x^2-16=0 A. x=-4 (Simplify your answer. Use a comma to separate answers as needed B. The solution is not a real number.
Solução

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Paula MariaElite · Tutor por 8 anos
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Rearrange the equation<br />${x}^{2}=0+16$ <br />Rearrange the equality<br />${x}^{2}=16$ <br />Take square roots of both sides<br />$x_1=4$ or $x_2=-4$ <br />
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