Respuesta :

gmany

Answer:

[tex]\huge\boxed{(-5+3i)(-5-3i)=34=34+0i}[/tex]

Step-by-step explanation:

[tex](-5+3i)(-5-3i)[/tex]

use (a + b)(a - b) = a² - b²

[tex]=(-5)^2-(3i)^2=25-3^2i^2=25-9i^2[/tex]

we know i² = -1. Therefore

[tex]=25-9(-1)=25+9=34[/tex]

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