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Popular >

simplify (-11-7i)(2+6i)

Solution

simplify

(- 11 - 7 i) (2 + 6 i)

Solution

20 - 80 i

Solution steps

(- 11 - 7 i) (2 + 6 i)

Apply complex arithmetic rule:

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

= (- 11 \cdot 2 - (- 7) \cdot 6) + (- 11 \cdot 6 - 7 \cdot 2) i

Simplify

(- 11 \cdot 2 - (- 7) \cdot 6) + (- 11 \cdot 6 - 7 \cdot 2) i : 20 - 80 i

= 20 - 80 i

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Frequently Asked Questions (FAQ)

What is (-11-7i)(2+6i) ?
The solution to (-11-7i)(2+6i) is 20-80i