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Popular >

simplify (-2+2i)*(5+5i)

Solution

simplify

(- 2 + 2 i) \cdot (5 + 5 i)

Solution

- 20

Solution steps

(- 2 + 2 i) (5 + 5 i)

Apply complex arithmetic rule:

(a + bi) (c + d i) = (a c - b d) + (a d + b c) i

= (- 2 \cdot 5 - 2 \cdot 5) + (- 2 \cdot 5 + 2 \cdot 5) i

Simplify

(- 2 \cdot 5 - 2 \cdot 5) + (- 2 \cdot 5 + 2 \cdot 5) i : - 20

= - 20

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Frequently Asked Questions (FAQ)

What is (-2+2i)*(5+5i) ?
The solution to (-2+2i)*(5+5i) is -20