√5(7-√5)+4√5

Simplify the expression √5(7-√5)+4√5.

thanks for the help
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1 Answer

sqrt(5)*[7-sqrt(5)] +4*sqrt(5)

=7*sqrt(5) +4*sqrt(5) -5

=11*sqrt(5)-5

or maebee yu want sqrt(5) *[11+sqrt(5)]??????

sqrt(5)=2.23606797749979

11*sqrt(5)=24.59674775249769
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