What is (12-3i)+(7+3i) ?

The solution to (12-3i)+(7+3i) is 19

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simplify (12-3i)+(7+3i)

simplify

(12 - 3 i) + (7 + 3 i)

19

Solution steps

(12 - 3 i) + (7 + 3 i)

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

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

= (12 + 7) + (- 3 + 3) i

Simplify

(12 + 7) + (- 3 + 3) i : 19

= 19

\frac{5}{x - 1} - \frac{7 x}{x ^{2} + 2 x - 3}

\frac{35}{6}

(7 h + 4)^{2}

(2 x - 1) (- x^{2} + 4 x + 6)

x^{2} + 3 x - 6 x + 8 x^{2}