kayleejusick
Answered

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Simplify (-3+5i)(3+5i)

Sagot :

Answer:-34

Step-by-step explanation: good luck

williamgriffiths19

Answer:

Step-by-step explanation:

First, factor all the multiplication.

(-3*3)+(-3*5i)+(5i*3)+(5i*5i)

Second, multiply.

(-9)+(-15i)+(15i)+(25[tex]i^{2}[/tex])

Third, add and solve.

i squared is -1.

-9+(-15i+15i)+(25*-1)

Fourth, subtract.

-9-25

And, you are done!

(-3+5i)(3+5i) = -34

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