What is (4+2i)-(1-7i) ?

The solution to (4+2i)-(1-7i) is 3+9i

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simplify (4+2i)-(1-7i)

simplify

(4 + 2 i) - (1 - 7 i)

3 + 9 i

Solution steps

(4 + 2 i) - (1 - 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 - 1) + (2 - (- 7)) i

Simplify

(4 - 1) + (2 - (- 7)) i : 3 + 9 i

= 3 + 9 i

- x \cdot x

\frac{12}{15} \div \frac{4}{25}

272 - 332

1 + 3.32 lo g_{10} (50)

\frac{9}{4} - \frac{3}{2}