What is (i+3)+i(2i-4) ?

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

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simplify (i+3)+i(2i-4)

simplify

(i + 3) + i (2 i - 4)

1 - 3 i

Solution steps

(i + 3) + i (2 i - 4)

Apply rule:

(a) = a

(i + 3) = i + 3

= i + 3 + i (2 i - 4)

Expand

i (2 i - 4) : - 2 - 4 i

= i + 3 - 2 - 4 i

Group like terms

= i - 4 i + 3 - 2

Add similar elements:

i - 4 i = - 3 i

= - 3 i + 3 - 2

Subtract the numbers:

3 - 2 = 1

= - 3 i + 1

Rewrite in standard complex form:

1 - 3 i

= 1 - 3 i

e^{l n (x) + c}

\frac{5 + 2 3}{4 - 3}

- 4^{5}

(x + 1) (x + 8)

- x^{2} + x^{2}