What is (-4-3i)-(-4+6i) ?

The solution to (-4-3i)-(-4+6i) is -9i

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simplify (-4-3i)-(-4+6i)

simplify

(- 4 - 3 i) - (- 4 + 6 i)

- 9 i

Solution steps

(- 4 - 3 i) - (- 4 + 6 i)

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

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

= (- 4 - (- 4)) + (- 3 - 6) i

Simplify

(- 4 - (- 4)) + (- 3 - 6) i : - 9 i

= - 9 i

\frac{3600}{1 - ( \frac{1}{4} )}

9 \cdot 3^{- 2}

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

(\frac{4 b}{3})^{- 2}