Numbers are -3 square root 15 ( square root 5+2)

Toby Wilson asked Aug 16, 2023

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35 votes

Toby Wilson asked Aug 16, 2023

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8 votes

Solution

Solve the surds form below

Step 1:

$\begin{gathered} -3√(15)(√(5)+2) \\ Applying\text{ distributive rule} \\ -3√(15).√(5)-3√(15)(2) \end{gathered}$

Step 2 :

Simplify

$\begin{gathered} -3√(75)-6√(15) \\ -3(5)√(3)-6√(15) \\ -15√(3)-6√(15) \end{gathered}$

Hence the final answer is

Matt Murphy answered Aug 21, 2023

2.7k points

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