What is (-3-7i)+(-12+6i) ?

The solution to (-3-7i)+(-12+6i) is -15-i

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simplify (-3-7i)+(-12+6i)

simplify

(- 3 - 7 i) + (- 12 + 6 i)

- 15 - i

Solution steps

(- 3 - 7 i) + (- 12 + 6 i)

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

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

= (- 3 - 12) + (- 7 + 6) i

Simplify

(- 3 - 12) + (- 7 + 6) i : - 15 - i

= - 15 - i

3 x^{3} y^{2} + 3 y^{2}

427 - 75

\frac{23}{3} - \frac{33}{5}

\frac{- 6}{- 8}

\frac{3 - x}{x ^{2} - 9}