What is (-7+5i)-(-9-11i) ?

The solution to (-7+5i)-(-9-11i) is 2+16i

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simplify (-7+5i)-(-9-11i)

simplify

(- 7 + 5 i) - (- 9 - 11 i)

2 + 16 i

Solution steps

(- 7 + 5 i) - (- 9 - 11 i)

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

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

= (- 7 - (- 9)) + (5 - (- 11)) i

Simplify

(- 7 - (- 9)) + (5 - (- 11)) i : 2 + 16 i

= 2 + 16 i

x^{\frac{4}{2}}

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\frac{4 + 2 i}{( 4 + 2 i ) ( 3 + 5 i )}

2 (x^{2})^{2}