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Popular >

simplify (7-3i)*(2-i)

Solution

simplify

(7 - 3 i) \cdot (2 - i)

Solution

11 - 13 i

Solution steps

(7 - 3 i) (2 - i)

Apply complex arithmetic rule:

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

= (7 \cdot 2 - (- 3) (- 1)) + (7 (- 1) - 3 \cdot 2) i

Simplify

(7 \cdot 2 - (- 3) (- 1)) + (7 (- 1) - 3 \cdot 2) i : 11 - 13 i

= 11 - 13 i

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Frequently Asked Questions (FAQ)

What is (7-3i)*(2-i) ?
The solution to (7-3i)*(2-i) is 11-13i