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

The solution to (-7+9i)+(9-i) is 2+8i

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

simplify

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

2 + 8 i

Solution steps

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

Simplify

(- 7 + 9) + (9 - 1) i : 2 + 8 i

= 2 + 8 i

(x + 6) (x - 8)

- \frac{2}{5} - 1

(1 - x) (2 - x)

2 x \cdot 2 y

(6 i)^{2}