SOLUTION: {{{ sqrt( 20 ) }}} + {{{ 2sqrt( 45 ) }}}
Algebra.Com
Question 97612: +
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sqrt( 20 ) + 2sqrt( 45 )
= sqrt(4*5) + 2sqrt(9*5)
= 2sqrt(5) = 2*3sqrt(5)
= 2sqrt(5 + 6sqrt(5)
= 8sqrt(5
===============
Cheers,
Stan H.
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