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Popular >

simplify (-11-5i)(-3-9i)

Solution

simplify

(- 11 - 5 i) (- 3 - 9 i)

Solution

- 12 + 114 i

Solution steps

(- 11 - 5 i) (- 3 - 9 i)

Apply complex arithmetic rule:

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

= (- 11 (- 3) - (- 5) (- 9)) + (- 11 (- 9) - 5 (- 3)) i

Simplify

(- 11 (- 3) - (- 5) (- 9)) + (- 11 (- 9) - 5 (- 3)) i : - 12 + 114 i

= - 12 + 114 i

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Frequently Asked Questions (FAQ)

What is (-11-5i)(-3-9i) ?
The solution to (-11-5i)(-3-9i) is -12+114i