Help ASAP will mark brainlist

Asked 9 months ago

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Help ASAP will mark brainlist

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Hi there!

$\large\boxed{-40 + 20i}$

Recall the rules for the imaginary number "i":

i = √-1 i² = -1

Given:

(5i) (5i) + (5i) (4 + 3i)

Multiply:

(25i²) + 20i + 15i²

Simplify using the rule above:

25(-1) + 20i + 15(-1)

-25 + 20i - 15

-40 + 20i

a = -40

b = 20

Edit

Mr. Pierre Nienow II

15.5k 3 10 26

answered 9 months ago