What is (-9-i)-(4-3i) ?

The solution to (-9-i)-(4-3i) is -13+2i

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simplify (-9-i)-(4-3i)

simplify

(- 9 - i) - (4 - 3 i)

- 13 + 2 i

Solution steps

(- 9 - i) - (4 - 3 i)

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

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

= (- 9 - 4) + (- 1 - (- 3)) i

Simplify

(- 9 - 4) + (- 1 - (- 3)) i : - 13 + 2 i

= - 13 + 2 i

4 a^{2} + 4 a + 1

\frac{x}{x ^{2} + x}

\frac{6}{5} + \frac{1}{3}

\frac{6}{\frac{3}{2}}

(- 7) + 2