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

The solution to (4-2i)-(4-7i) is 5i

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

simplify

(4 - 2 i) - (4 - 7 i)

5 i

Solution steps

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

Simplify

(4 - 4) + (- 2 - (- 7)) i : 5 i

= 5 i

\frac{- x}{2}

\frac{18}{10}

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

(t - 2)^{3}

(x^{2} - 4)^{3}