What is (3-5i)-(7-8i) ?

The solution to (3-5i)-(7-8i) is -4+3i

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simplify (3-5i)-(7-8i)

simplify

(3 - 5 i) - (7 - 8 i)

- 4 + 3 i

Solution steps

(3 - 5 i) - (7 - 8 i)

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

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

= (3 - 7) + (- 5 - (- 8)) i

Simplify

(3 - 7) + (- 5 - (- 8)) i : - 4 + 3 i

= - 4 + 3 i

(2 + 5 i) + (3 - 2 i)

(u - 4)^{2}

\frac{5}{14} - \frac{1}{21} + 1

\frac{1 0 ^{2}}{1 0 ^{- 2}}

4 x + 4 y^{3} - 5 + 6 - 2 y^{3} - 5 y^{3} + 5 x