What is (-4+7i)+(-4-7i) ?

The solution to (-4+7i)+(-4-7i) is -8

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simplify (-4+7i)+(-4-7i)

simplify

(- 4 + 7 i) + (- 4 - 7 i)

- 8

Solution steps

(- 4 + 7 i) + (- 4 - 7 i)

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

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

= (- 4 - 4) + (7 - 7) i

Simplify

(- 4 - 4) + (7 - 7) i : - 8

= - 8

x y - 101 x^{2} + x^{2} - x^{2} y^{2} + 99 x y

3 x^{3} - 25 x^{2} + 58 x - 40

\frac{7}{53}

\frac{1}{4} \times (- 1)

\frac{1}{4} \times 24