What is (489+677i)(1-889i) ?

The solution to (489+677i)(1-889i) is 602342-434044i

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simplify (489+677i)(1-889i)

simplify

(489 + 677 i) (1 - 889 i)

602342 - 434044 i

Solution steps

(489 + 677 i) (1 - 889 i)

Apply complex arithmetic rule:

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

= (489 \cdot 1 - 677 (- 889)) + (489 (- 889) + 677 \cdot 1) i

Simplify

(489 \cdot 1 - 677 (- 889)) + (489 (- 889) + 677 \cdot 1) i : 602342 - 434044 i

= 602342 - 434044 i

\frac{3}{4} + \frac{8}{9}

624 a^{4} + 5 a

6 (2 x - 2)^{2} - 3

\frac{1}{7} + \frac{3}{7} + \frac{2}{7}

\frac{30 x ^{8} y ^{4}}{12 x ^{5} y ^{6}}

What is (489+677i)(1-889i) ?
The solution to (489+677i)(1-889i) is 602342-434044i