Seudónimo Seudónimo

21-02-2022
Mathematics

contestada

complex numbers

simplify.

\left(\sqrt{-5}+2\sqrt{20}\right)\left(-\sqrt{-5}\right)

complex numbers simplify leftsqrt52sqrt20rightleftsqrt5right class=

Respuesta :

nathandm02 nathandm02

24-02-2022

Answer:

-5+ 20i

Step-by-step explanation:

just distribute: [tex](\sqrt{-5})(2\sqrt{20}+\sqrt{-5})[/tex]---> [tex](2\sqrt{-100}) -5[/tex] and because 100 is the perfect square of 10 you get -5+20i

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