IMathAS-libretexts

Adding

\displaystyle {4}\sqrt{{{18}}}+{2}\sqrt{{{18}}}

the result is

\displaystyle {A}\sqrt{{{B}}}

where

A = B =

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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity

Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity