Branliest!!!!
Which expression or value is equivalent to (−3+5i)(−3−5i)?

34
−34
−16
35i
−36
9−25i
35
34−i

Respuesta :

Answer:


Step-by-step explanation:


Answer:

correct answer is 34

Step-by-step explanation:

applying difference formula (a+b)(a-b)=[tex]a^{2} -b^{2}[/tex]

[tex](-3)^{2} -25i^{2}[/tex]

by putting the value of [tex]i^{2}[/tex] in the above expression

[tex]9-25(-1)[/tex]         ∵ [tex]i^{2} =-1[/tex]

9+25

34 which is the answer