Find the product of (5-√7) and (5+√7)

Oscar F asked Jun 25, 2023

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Oscar F asked Jun 25, 2023

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13 votes

We are to evaluate the expression:

First, we write it in the form below:

Next. we open the brackets

$\begin{gathered} =25+5√(7)-5√(7)-(√(7))^2 \\ =25-7 \\ =18 \end{gathered}$

Therefore, the product of the two terms is 18.

Sdaz MacSkibbons answered Jul 2, 2023

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