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

The solution to (-7-i)-(-9+5i) is 2-6i

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

simplify

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

2 - 6 i

Solution steps

(- 7 - i) - (- 9 + 5 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)) + (- 1 - 5) i

Simplify

(- 7 - (- 9)) + (- 1 - 5) i : 2 - 6 i

= 2 - 6 i

(3 + 7)^{2}

i^{148}

- (2 x - 1)

(1)^{2}

(x + 2 y)^{2} - (x - 2 y)^{2}