I need help solving this radical operation√(90) - √(40)

Praveen Dp asked Nov 15, 2023

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9 votes

I need help solving this radical operation
√(90) - √(40)

Praveen Dp asked Nov 15, 2023

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11 votes

$\begin{gathered} √(90)-√(40)=√(9*10)-√(4*10) \\ \text{ =}√(9)*√(10)-√(4)*√(10) \\ \text{ =3}√(10)-2√(10) \end{gathered}$

taking √10 common,

Keasha answered Nov 21, 2023

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