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Popular >

simplify (-1+3i)(7+5i)

Solution

simplify

(- 1 + 3 i) (7 + 5 i)

Solution

- 22 + 16 i

Solution steps

(- 1 + 3 i) (7 + 5 i)

Apply complex arithmetic rule:

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

= (- 1 \cdot 7 - 3 \cdot 5) + (- 1 \cdot 5 + 3 \cdot 7) i

Simplify

(- 1 \cdot 7 - 3 \cdot 5) + (- 1 \cdot 5 + 3 \cdot 7) i : - 22 + 16 i

= - 22 + 16 i

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Frequently Asked Questions (FAQ)

What is (-1+3i)(7+5i) ?
The solution to (-1+3i)(7+5i) is -22+16i