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

Step-by-step explanation:

First, factor all the multiplication.

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

Second, multiply.

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

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

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2