Solve the equation. 42 = d2 - 22 d = and d =

Miwa asked Aug 14, 2023

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25 votes

Miwa asked Aug 14, 2023

by Miwa

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16 votes

we have

solve for d

$\begin{gathered} d^2=42+22 \\ d^2=64 \\ \text{square root both sides} \\ d=\pm\sqrt[]{64} \\ d=\pm8 \end{gathered}$

therefore

Isac Moura answered Aug 18, 2023

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