What is (9-10i)-(-10+i) ?

The solution to (9-10i)-(-10+i) is 19-11i

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simplify (9-10i)-(-10+i)

simplify

(9 - 10 i) - (- 10 + i)

19 - 11 i

Solution steps

(9 - 10 i) - (- 10 + i)

Group the real part and the imaginary part of the complex number

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

= (9 - (- 10)) + (- 10 - 1) i

Simplify

(9 - (- 10)) + (- 10 - 1) i : 19 - 11 i

= 19 - 11 i

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lo g_{4} (4^{5})

\frac{3}{x + 4} - \frac{1}{x + 6}