What is (7+3i)+(-8+9i) ?

The solution to (7+3i)+(-8+9i) is -1+12i

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simplify (7+3i)+(-8+9i)

simplify

(7 + 3 i) + (- 8 + 9 i)

- 1 + 12 i

Solution steps

(7 + 3 i) + (- 8 + 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 - 8) + (3 + 9) i

Simplify

(7 - 8) + (3 + 9) i : - 1 + 12 i

= - 1 + 12 i

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

\frac{\frac{11 - w}{30 w ^{2}}}{\frac{w - 11}{5 w ^{6}}}

\frac{8 a ^{3} + 27}{4 a ^{2} + 12 a + 9}

\frac{cos ( x )}{sin ( x )} + \frac{sin ( x )}{1 + cos ( x )}

(3^{- 1} + 3^{- 2})^{- 1}